2023 Easy
Integer
Marks: 4.00 / −0.00
If \( f(x) = x^2 + 3x \), find \( f'(2) \).
Type: Integer answer question
Correct Answer: 7
Hint: Differentiate first, then substitute \( x = 2 \).
Solution:
\( f'(x) = 2x + 3 \). At \( x = 2 \): \( f'(2) = 4 + 3 = 7 \).
derivatives