You have to multiply bro & rewrite your question
I got x is less than or equal to 3
Answer:
- 24x + 9
Step-by-step explanation:
Differentiate each term using the power rule
( a ) = na
Given
f(x) = - 12x² + 9x, then
f'(x) = (2 × - 12)x + (9 × 1) = - 24x + 9
The tax he has to pay is $4.95
The total bill would be $94.95
The second one, because 10^2 (Positive).