Question

Question : What is the derivative of f(x) = 15x^2 + 2x^2 + 3xf(x)=15x
​2
​​ +2x
​2
​​ +3x
a) 34x + 3
b) -34x - 3
c) 34x - 3
d) 17x + 3

Answer 1

is the question asking you to find derivative of \( f(x)=15x^2+2x^2+3x\) ?

Combine like terms
\( f(x) = 17x^2+3x\)
Use power and sum rule
\(f'(x)= \frac{d}{dx}17x^2 + \frac{d}{dx}3x \)
\(f'(x)=34x+3\)
Option A