Question

Find the derivative of f(x)= -12x^2+9x

Answer 1

Answer:

- 24x + 9

Step-by-step explanation:

Differentiate each term using the power rule

$\frac{d}{dx}$ ( a$x^{n}$ ) = na$x^{n-1}$

Given

f(x) = - 12x² + 9x, then

f'(x) = (2 × - 12)x + (9 × 1) $x^{0}$= - 24x + 9