Cho hàm số \(f\left( x \rig...
Câu hỏi: Cho hàm số \(f\left( x \right) = a{x^2} + bx + c\) có bảng biến thiên như sau:![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAUMAAAB3CAYAAACZryIIAAAACXBIWXMAAA7EAAAOxAGVKw4bAAALpklEQVR4nO3dT2gj5R8G8Ge2VXb3YBf2Uk+mkCxuKdgehDVBzIIuTRckgqx6antJBcFEQUtBiAFhKR52ctsIOpmLiAczl016MukhrXtqDj/qshNpetEehO0K2vhneX+HNG3STdO0meSdzDwfGNhOp5tvp5Mn7/vOn1cRQggQEbncOdkFEBHZAcOQiAgMQyIiAAxDIiIADEMiIgA2CsPPP/9cdglE5GKKXS6tURQFNimFiFzINi1DIiKZGIZERGAYEhEBYBgSEQFgGBIRAWAYEhEBYBgSEQFgGNLAKSMZUKAoChQlgGRZdj3kFAxDGijl5JeALiCEQDayhthsEsxDsoK1YVhOIqDUPrUXcgByC7VP8EDS0pch9/JGU4h6a/8OfaLCv7YJU25JZLFcUs4HnLVh6I2imI0AkSxSodoqv2pCFKOWvgzRAf84fLJrIEewvpscSiGLGQQCASgzwGf1j3Eiq5mbwK2b4BHmJjksKPUx4/0eaF1Dz/Qs48k9GjP0A1iDX/0Eod68QPcad1ygsVnOAfrBkMPCF+PQ+WHrImUkA19g3KyNGQtTxf9mFASS5dqQ3Cygi/3vCR2YXUDu5P/0kLCYqfoFIlkhhBCqH8Kvmh39XA9KaSMrIoiI7P5XpuoXQERkhSlUv18clmwK1X+4HdlHNsK/iyOYqvADAm2X/fekqYrI0TzJRmrbRFocDaYq1FMcJNYlUL2oesg0/JKdBKI1YZgVkbY79bC2ozspG2nY6U3fUJ9eR1KZql9EDj/Jnn6D0EDLqqpo+Rc9JtxqjZkWOZONiFYZeZxhS1qvABBKQYjU4dfeKIqi3ydOQkgJgdRJm5mb2Dz6kykT6v98+P5eGdGmrtcmNk2AA1P2kFtQMPMVACj4CgDgh2ryBJ0reG/iillG85uxDPOKDpH9EsqMDwGYKEa9AHJYmAHCp3hEqjuvMwyFMf7wyGBg7h6gZzER89XGIGorazvUtgOf7hNK1ceE6ksRHDZ0Cy98D2cPTp7Ullk89HlrjTFTBWK+/fVfYNxMneqchXUtw4ESwk0EoChrh6siWYhUCBAmkgEflBhQa3UU7XsSiMhlvNEiju1wdtkb5WP/iYjg1m4yEdERDEMiIjAMiYgAMAyJiAAwDImIADAMiYgAMAyJiAAACmr37RIRuc7c3Bw0TQMADNvlQmdedE1EMrGbTEQEhiEREQCGIRERAIYhEdmMM2bHsylZO5eIBocrwpCInGLgZscbJL3buURkpd7OjufyMOzx1INE1F5Tg6O2zMRi8DWt22+IlO9h85Z+OM2DN4piNoK1mA+KEYYoRhtmR/Eiqo/j4WnesJ3PHdVblpVio6kHiej0ZM2O57yWoTeKomieNCirqjCPmURo/MqR2YRCKZiqH/hqpmFiqH0tZtUjoj7x3sSVp06F1mfHq7UQu5nMzXlheBo93rlEZCXOjtdDXvgeBqDMNMySV58Rz5uCMMcR8HGmPCK74Ox4Xcolk/BFo5wHnoiO5YowJCI6ibvHDImI9jEMiYhgcRiWk4Ejd2sc3t1BRGRnlo8ZJgMBQD+8jg+5hdrV4an252H7NWZYrVZx/vz5nr8Okdtsb2/j9ddfx8WLF3HuXHM76/Hjx9ja2mpaNzQ0hP/++6+fJbZleTc5+tkEvr/XfG1e9oQg7KdCoYCxsTGk02nZpRA5ygsvvICXX34Z5XIZpVKpaTkahBcuXEA+n5dUaWvWjxmGwpiIfYkcgFwtCW11bd709DTy+TxWV1cZikQW+/bbb/HLL7/g7bffxsjISMttnnvuOei6jldffbXP1Z2g8zv3OmeqfuH3+1vf33uMHpXS1tbWlpibmxMej0domtb31ydysvv374vLly8LRVEOngswMjIiPv30U9mltdSTs8nem7eAtQlbdY9b8Xg80DSNLUUiC1WrVaiqinfeeQfj4+MH44fPPPMMrl27huXlZckVttaTMEzOxjBhs+5xOwxFou7VQ/Dq1avY3t7G+vo6/vzzTzx58gQAMDExAcMwJFfZhmVtzPqjrw6WiDjN066sLKVb7D4TdW5vb0/cuXNHeDweEYvFxG+//XbwveHhYQFAPP/88+LRo0cSqzyZdS3DUKrpsVlCDE7L8Ci2FIk6c7QleOfOHYyOjgIASqUSLl68iMuXL+PHH3/EpUuXJFfbHu9AaYOhSNRaOp3G2NhYyxCsKxQKePLkCb755hu8+OKLkirtHMOwAwxFopp6CK6uriKfz7cMwTpN0zA/P48333yzz1WeDZ9acwaVSgWJRAKFQgHxeBxzc3OySyLqqXQ6jUQigWAwiHg8Do/HI7sky7FleAZsKZJbGIbR1BLUNM2RQQgwDLvCUCSnMgwDU1NT0HXd8SFYxzC0QKtQ/O6772SXRXRqjSGoaRoymYzjQ7COY4Y9UKlUsLS0hAcPHiAejyMcDssuiagtwzCQSCTg8XgQj8cxOTkpu6S+Yxj2UKlUQiKRQKVSYSiSLRUKBSwtLWF0dNS1IVjHMOwDhiLZTaFQQCKRAADcvn0b165dk1yRfAzDPmIokmyNIRiPxxEMBuUWZCMMQwkYitRvDMGTMQwlYihSr5VKJSwtLaFarTIET8AwtAGGIlmt8Zi6ffs2pqenZZdkewxDG2EoUrd4DJ0dw9CGeEDTafGY6R7D0MZ4gNNJ6g8NKZVKPEa6xNvxbGxychKZTAaapkHXdUxNTdn7senUN5VKBfPz87h+/Tpee+01bGxsMAi7xDAcAAxFqjsagltbW3yEnEUYhgOkVSiurKzILov6gCHYexwzHGC8hsz5dnZ2sLy8jJWVFSwuLjIAe4hh6AC8u8B56iFoGAai0Sjef/99nD9/XnZZjsYwdBCG4uBjCMrDMHQghuLg2d3dRSKRYAhKxDB0MIai/e3u7kJVVei6zhCUjGHoAgxF+2kMwdnZWcRiMdtPsu50DEMXYSjKxxC0L4ahCzEU+69arUJVVaRSKYagTTEMXYyh2HvVahV3795FMpnEu+++i8XFRYagTTEMiaHYA40hGA6Hsbi4iNHRUdllURsMQzrAUOweQ3BwMQzpKQzFs7l79y6Wl5cZggOKYUjH4nSSnUmn00gkEpienkY8HmcIDiiGIZ2IE423Vg/BYDCIeDwOj8cjuyTqAh/hRScKBoNYX1/H7Ows5ufn8dZbb6FUKskuS5p0Oo2xsTGsrq4in89D0zQGoQMwDKlj4XAYGxsbrg1FwzBw9epVhqBDMQzp1M4airu7u/jwww/7UKG1DMPA1NQUdF0/eLguQ9CBhE3YqBQ6pUwmIyYnJ0U4HBYbGxvHbre3tyeGh4fF8vJyH6s7u05/L3IGnkAhyxiGgUQiAY/Hc+yJlpdeegnb29swDMO2l+x08nuQ87CbTJbppPt848YNPH78GLdu3UKlUpFT6DEKhQJeeeUV6LoOTdOQyWQYhG4iuWV6wEalkEVadTMzmYwYGRkRAMTY2Jh49OiR5CqFyOfzIhgMimAwKNbX12WXQ5Kwm0w919jt/Pjjj/HGG2/g77//xrPPPovJyUncv39fSl2804YaMQypbwzDQDwex88//4x///0XAHDhwgW89957+Prrr/tWB0OQWhmWXQC5x87ODn799VecO3c4VL23t4cffvgBExMT+Oijj3peQz0IGYJ0FFuG1HMrKyv44IMP8Mcff+D3339vuc2lS5eQyWQYUCQNw5B66saNGygWixgaGsLQ0BAA4J9//sFff/311LZDQ0NYXV1FIBDod5lEDEPqrd3d3ZZ3pzx48AA7OztN63766Sdcv34di4uLp3qNcjIA3+ZnEKlQV7WSuzEMaaCVkwH4YmtAJMswpK7wBAoNNG+0CBMB+DZlV0KDjnegEBGBYUhEBIBhSLaVw4KiQDl2WUBOdonkKBwzJJsKISUEUrLLINdgy5CICGwZ0qDLLdQurcEMFPDyGjo7XmdIRAQbdZN5TyoRyWSbliERkUy2aRkSEcn0f0jGJh35CFeCAAAAAElFTkSuQmCC)
A. m > -1
B. m > 0
C. m > -2
D. \(m \ge - 1\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi HK1 môn Toán 10 năm 2020 trường THPT Hoàng Hoa Thám