JEE MATHEMATICS MCQ: INCREASING & DECREASING

1 Easy

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Analyzing +4 | -1

f(x)=\left\{\begin{array}{ll}3 x^2+12 x-1, & -1 \leq x \leq 2 \\ 37-x, & 2 < x \leq 3\end{array}\right.

, then

View answer and explanation

Correct option: A

f(x)

is increasing on

[-1,2]

Option A (

f(x)

is increasing on

[-1,2]

) is correct because the derivative of

f(x)

is positive on this interval, indicating that

f(x)

is increasing.

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