Question

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

Answer 1

- 24x + 9

Explanation:

Differentiate each term using the power rule

`(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