Cho hàm số bậc bốn \(y = f\left( x \right).\) Hàm...
Câu hỏi: Cho hàm số bậc bốn \(y = f\left( x \right).\) Hàm số \(y = f'\left( x \right)\) có đồ thị như hình vẽ bên. Số điểm cực đại của hàm số \(y = f\left( {\sqrt {{x^2} + 2x + 2} } \right)\) là![](data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEAYABgAAD//gA7Q1JFQVRPUjogZ2QtanBlZyB2MS4wICh1c2luZyBJSkcgSlBFRyB2NjIpLCBxdWFsaXR5ID0gOTAK/9sAQwADAgIDAgIDAwMDBAMDBAUIBQUEBAUKBwcGCAwKDAwLCgsLDQ4SEA0OEQ4LCxAWEBETFBUVFQwPFxgWFBgSFBUU/9sAQwEDBAQFBAUJBQUJFA0LDRQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQU/8AAEQgAjwCgAwERAAIRAQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKC//EALUQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHwJDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2drh4uPk5ebn6Onq8fLz9PX29/j5+v/EAB8BAAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIBAgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEXGBkaJicoKSo1Njc4OTpDREVGR0hJSlNUVVZXWFlaY2RlZmdoaWpzdHV2d3h5eoKDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uLj5OXm5+jp6vLz9PX29/j5+v/aAAwDAQACEQMRAD8A/VOgAoAKACgAoAgubqOztpbiZgkUSGR2PZQMk0Acj8H/AIm2Xxh+G2h+MdOt3tLXVImkW3lcM0ZDspUkcZypoA7WgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoA8Y/apvNa034Pave6DdX8GoLst4zYM6GNpnWETuyfOEh3mU467BnisGm6tOF7KUkm+yvq/uVlfS7NYNKM5NX5U3bvZPT5vfra9jyvX/ibdz6b8bNdXxLc6j4R8E+Fk8PRTGb9zdaiYDJc3Ldi674Vz2y1dkWp06ldq3PN8q7Rjo7esm1/26jlacHSoXu4wvJ93Lb7oq/8A28XP+Ca3ijTte/Ztis9MvVv7bSdVurVZVPGGYSgc9MCSsjU+r6ACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgDlvGHgex8af2W93cXtrNpt2Ly1msbgxMsoUqCR0YYY8MCO9RtNTW6TX36P8AroO/uuHR2/B3RjXXwT8I3nw+v/BU+mmTQNRlM1/E8reZeSNIJHeV85cuw+bPUcdOKtN8sYrRJWS7L+vx1I+05PVvVv8Ar7vJHC/sWeAdC8G/A/R9R0awXT5tejS9vkh4jeZR5W8L0UlUXOOuM0FHvlABQAUAFABQAUAFABQAUAFABQAUAFABQAUAFABQAUAFAHk/7Kf/ACbx4F/68P8A2dqAPWKACgAoAKACgAoAKAPIvgX8UNZ+JuvfFBb9LZdL8P8AiibQ9MaBCrNHFFEX3kk5be7dMcYoA9doAKACgAoAKACgAoAKACgCjq2q2ehaXealqFxHaWNnC9xcXEpwkUaKWZiewABNAHzl4J1P4s/tI6dL440Xxi3wt8GXRLeGdOj0mG8ur+3BOy8vDNnasv3lhTadhUlsmgCn+wp8YP7e+Hem/DzX7FtH8XaFpyXUSsR5Wrae8jLHfQf7JYFXTqjcHqKAPqegAoAKACgAoAKAGk4BJ6CgD51/YYjN18KfE+udV1/xpruqI395GvHRf0jA/CgD6MoAKACgAoAKACgAoAKACgD5w/bDup/GsPgf4OWErRz+P9VEGpmI/NHpFuBNeHjkB1CRZ/6aUAfQtjZQaZZW9naxJBbQRrFFFGMKiKMKoHYAACgD4tvfDOoaP+y78K/i74Ytmm8W/Dy3bUDFEPnv9LZ2F9aHHUNEC6js8a4xmgD7G8LeJNO8ZeG9L13SbhbrS9Tto7y1nQ8PG6hlP5EUAa1ABQAUAFABQBl+J9Vj0Lw1qupTHEVnaS3Dn2RCx/lQB41+wvpMukfsl/DSOf8A10+mm9cnuZ5XmJ/HzKAPeaACgAoAKACgAoAKACgAoA+bvAv/ABcb9tb4ha/JiWw8B6LaeGrLcOEurn/SrllPrsECn6UAfSNAHkP7LcEV3+zh4LgmRZYZdOKOjDIZS7ggj0xQBxv7IU0ngC98f/Be8kJfwPqnm6RvPL6Pd5mtceyHzYv+2YoA+kKACgAoAKACgDyj9q7Xx4Z/Zo+KGo7tjp4dvY429HeFkT/x5hQB0fwW0FvC3we8C6MVCNp+hWNqV9Cluin9RQB2lABQAUAFABQAUAFABQBFLMkETSSMERFLMxOAAOpoA+ev2G4X1f4Rar44nBFz458R6n4iO8fMsT3DRwr9BHEmPY0AfRVAHk/7Kf8Aybx4F/68P/Z2oA4f41Kfhf8AtM/Cj4ixZj03xAZPA+tsPu/vszWLkeomRk3HoJKAPpCgAoAKACgAoA+d/wBvWQ3X7N+q6ChIn8R6ppeixAdSZr6EEfioYUAfQkUYhjRFACqAABQBJQAUAFABQAUAFABQAUAeT/tV+ND8P/2bviRrquY5rfQ7mOFl6iWRDFGR/wADdaAOh+Cng4fDz4P+CfDIUK2k6NaWb47ukKhz9SwJ/GgDt6APJ/2U/wDk3jwL/wBeH/s7UAL+1H8O7n4n/ATxhoenM0etCzN5pcsbbWS8gImgII6ZeNQfYmgDd+CHxIt/jB8IfCHjO3I26zpsN1IqjASUriVMf7Lh1/CgDuqACgAoAKAPnP8Aa0K654t+A3hT+PUvHdtqBHqllBNcN+qqfwoA+jKACgAoAKACgAoAKACgAoA+cv23WfWfh/4M8Hx/P/wlnjPR9Lmh7vbi4E83HssJoA+i1UKAAMAcAUAOoA8n/ZT/AOTePAv/AF4f+ztQB6uQCMHkUAfN37J7HwF4z+LnwmmOyPw7rzaxpMbNz/Z2oAzoFHZUl85B9KAPpKgAoAKACgD5w+JMi+Jf23fg/ozLuTQfD+seIG/2WkMVqn/oT/kaAPo+gAoAKACgAoAKACgDhdW8H+LrzUrm4svH9zp1rI5aO0XSraQRL/dDMuT9TQB5xpfifXdU+KVz4AHj7XrXXYNNOq7rvw7aRwPb+b5W5WIy3zA9ulKn+9U5R+xZP/t67X5E1GqUoQf2r2/7dtf80eZfGzwN4z8R/tT/AAL8On4lXcktn/afiE7tItQIRDCsQcALhiTPs+bgAkjmmUes/EHVtZ+Gttpz6r8TtQlvdUuVstN0yy0S0lu7+cjPlxR7eSACSThVAJJAqU3OapwV5Pp5Ldvsl1bE1aDqSdkuvrsvNvokYHirxL448IXmgWPiPxpqXh2LxLdjSrDUo9OsLlba8kVvKjnUKNpYg4Kl13AAkZpxSlVVFP3mm12dldpedtdtbMJPlpOs/hVr91d2T9L6eRS/ZN+H/juD9nnwWH+KF5JutWdQdItT5amRsJkrkgdMnmmM9P1rw1420XTZrxviHql4IxnybPQbWWVvooXmolJQV2NK7sfKZ1PW9X+Ovwi+Lmh/EPVrXw747juvB91Pc6JawSJLE0r26zJypDSxyKpPzKcY4YitLe7GXSSTXo1dfgRf350+sW4v1W59d/8ACCeOP+imXf8A4JrT/wCJpFB/wgnjj/opl3/4JrT/AOJoAP8AhBPHH/RTLv8A8E1p/wDE0AH/AAgnjj/opl3/AOCa0/8AiaAPnDR7LXB+1b8WvEeq/EhtP0/wZ4Y06wn1ufTrYRwpIZbmZWBG1QoCMT159qiclBXbsioRlOXLFXZ6doPjS78QeJ9M8PRfFe/ttW1SyOpaZBd6DaxjULUYzLA23a6gMpODnDA4xWvJJSnBq0obrqum3rp6mLnFRjO/uy0T6N7/AJanoP8Awgnjj/opl3/4JrT/AOJqTQP+EE8cf9FMu/8AwTWn/wATQB84fHv9nH4wa541XxDpPxrj8G6YsUUc+rS3s9rLKR/yz+zxbYAMcbs7jSbS3Gk3sXvAnwu+JGp35s9P/akS4uxF9oFtpsEGoyCLON+Lh5CVzxnGM09Xd9v12+/oRdK1+v6b/cfRvwz8IeKfCOn3cPijx3d+Op5XVobi7022s2hAGCoECqGyecmgoofFf4B+DfjXJpkniu01K5bTRItt/Z+s3un4D7d24W00e/7i43ZxzjGTQByfhb9jX4W+DfEem65pena7FqWnXCXNu8/irVZ4xIrZUtHJcsjjI+6wIPcUAc+mp5/bbfVv7O1f+yT4OXShqJ0i6+zfavtpbyvN8vbnaQc5xjvUYP4cVf7TptedlK/3XRniU+eg/wCXnv5X5bffZjtPZPE/7f2ruy5HhTwHBAjej3l2zn/x2AVZoQ+NtDvNG/bN8MeNvEUFxL4Og8L3GnaZepE0kGn6g8wMvm4B8syRABXPB2kZqcM1TliObRyUbPuk3dLzvZ26r0DFL2lLDxhtGUnL1aSi/lqr9Cbx/wCGNW/aK+K3gVLezudP+HXg/U11681G8iaFtWvowRbwQIwDGJCxdpCACQAueTVUY8tb6zU05U1FdbyVnJ9klourb2sTXanQeFjrztcz6cqd7ebbttsl52O4/ZUJb9nnwOT1Nhn/AMfajYt6nofiDU4NH0i5u7nzvJjU58iB5n54GERWY9ewrCrrTkl1TKp/EmfE+jeCNU8R/sAz6VBpmpaX448JTT+JLC31HTp7aWG6tr6W6h2iRF3FkBAxn79dKTVGj5Qgn6qKTXyMZO+JxEukpya803oz7I+G/jWz+I/gHw74q05g1jrWnwX8XOdokQNtPuM4PuDUlnS0AFABQB8hfBHxRaad4Q/aF+J93oN94pstU8YXyHSbG3Sea6t7RY7MKqOQrD925OTjGaxqSUUlJXu0vve/otzSnFylo7aN/cr29XsvMlfUre2/a4+Gd3oVqPGEOq6DdQyo4jLeE7Xarq0ZhAjRZGxGVYFjtG1sAiuqhBqviacndcqfP3alpH0fxK1n1ZzVXGWGoVErPm0h6rWVu8dtdOi1PriszUKAPOPiuviZ4rRPDPha01u/MF2YNRur9YBp1yYSsL7CpLhixBIOVAPBziuarCVSM4x0bi0n6tXX3a/KxrTlCLjKeqUk2vJX1+/p536GF+zv8Nbv4c+CfD+kXvh6x0250rSYrKS9Jjku7icsZLht6ZxE0jMwGcknJAr0Ks4Sk/Z6R0SX92Ksr+aOOEZb1NW3Jt+cnd2/rt2PZKwNwoAKACgD5w/Z6Y6/+0l+0Xr0i7vI1fTdDhk/2LeyV2H4PMaAPo+gAoA8n/ZT/wCTePAv/Xh/7O1AHrFAEckayoyOoZGBBUjII9KAPnP9jiVvBdn4/wDhJcErL4D1+aGwRh10u6JubQgnrgSOmf8AYxQB9IUAFAHPfEHxPb+B/AniPxFdv5dtpWnXF7I57LHGzn+VAHmH7Ffhe58K/sv/AA/hv0C6lf6f/a14w6vNdO1wzH3/AHtAHs1tY21kZDb28UBkbc5jQLvPqcdTS2Vg63LVMAoAKACgAoAKACgAoA+cv2I2bVPB3xD8RSDL65481u5WT+/Elx5MZ/75ioA+jaACgDyf9lP/AJN48C/9eH/s7UAesUAFAHzX8Sz/AMKl/a58AeNh+50XxxZP4O1Z9vyrdpunsHY9Bk+dHn/aUUAfSlABQB8+fty6lcN8AbzwvYPt1Txrqdj4WtF/vm6nVJB/35Ep/CgD3bSNMt9F0qz060TyrW0hS3hQfwoihVH5AUAXaACgAoAKACgAoAKACgDP13UE0rQ9RvZG2R21tJMzHsFUkn9KAPEf2DrGWz/ZM+Hk1wm26v7SXUZs9S088kuT+DigD36gAoA8n/ZT/wCTePAv/Xh/7O1AHrFABQB5T+038Lbj4v8AwW8QaFpsnkeIIVTUtFuQPmg1C3YTW7j0+dAPoxoA1fgL8U7f40fCTw14wgj8ibULUfa7U/etrpCUnhb3SRXX8KAPQaAPnD4ksfiT+2F8NPCUeZdN8FafdeL9TA5T7RIDa2St6MC00g9loA+j6ACgAoAKACgAoAKACgAoA8v/AGntdPhn9nP4m6mjbZLbw5fvGf8Ab8hwo/MigDS+AWhjw18DPh7pWzY1p4fsIWX/AGhbpu/XNAHfUAFAHk/7Kf8Aybx4F/68P/Z2oA9YoAKACgD5k0Cf/hm79pHUtBuv9H+HnxPu21HSZzxFYa9t/wBItieii4VRKnq6uB1oA+iPEOv6f4U0HUNa1a6isNL0+3e6urmZtqRRopZmJ9AAaAPCv2RdFv8AxLZ+Lvi/rtrJaav8Q79b2zt51xJa6TCvl2ER7gmPMpHrKaAPoigAoAKACgAoAKACgAoAKAPnz9ve7kt/2UfG9vCcT6iLPTYx/eM95DFj8nNAHvVjaR6dZW9rCNsMEaxIPRVGB+goAs0AFAHk/wCyn/ybx4F/68P/AGdqAPWKACgAoA5X4j/DjQPiz4QvvDPiewW/0m8Ub03FHjdTlJI3GGR1YBlZSCCKAPIpv2VNV8UxWOieOvil4g8c+BbCZJY/Dt7bW8BvNjBo0vriNQ9yikA7SFDYG7dQB9AwwpBEkcaLHGgCqiDAAHQAdhQBNQAUAFABQAUAFABQAUAFAHF/FP4W6P8AF3w7a6Jrcl0ljb6ja6kBayBC8lvKsqK2QcqWUZHegDtKACgAoA86/Z+8Lap4I+DfhXQtbtfsWq2Np5dxb+YkmxtzHG5CVPBHQmgD0WgAoAKACgAoAKACgAoAKACgAoAKACgD/9k=)
A 2
B 4
C 1
D 3
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán năm 2019 - Thầy Chí - Đề số 8