.If the derivative of the function f(x)={\\begin{array}{c}b x^2+a x+4{\ \\\\end{array} , x \geq-1 ; a x^2+b{; } , x< -1}. is everywhere continuous, then

COMEDK Exam 2022 Solved Paper

Question : 128 of 180

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.If the derivative of the function f(x)={

bx2+ax+4;‌	x≥−1
ax2+b;‌	x<−1

. is everywhere continuous, then

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ax2+b	x<−1
bx2+ax+4	x≥−1

2ax	x<−1
2bx+a	x≥−1