Question

please solve the question I'LL MARK IT AS BRAINLIEST ANSWER​

Answer 1

Answer:

f'(x)= 2×3x+5

= 6x+5

f'(1)= 6+5= 11

Answer 2

Answer:

$f(x) = 3 {x}^{2} + 5x + 9 \\ given \: f(1) = 3 {x}^{2} + 5x + 9 \\ f(1) = 3( {1}^{2} ) + 5(1) + 9 \\ f(1) = 3 + 5 + 9 \\ f(1) = 17$

f(1)= 17