Question

Evaluating and Operation on Function
f(x)=4x^2+x+11;f(9)

Answer 1

f(9) = 344

Explanation:

f(x) = 4x^2 + x + 11; f(9) --> x = 9

f(9) = 4(81) + 9 + 11

f(9) = 324 + 20

f(9) = 344