Question

Given the function fx) = 5x² - 9x + 18, find f (3).

A)
f(3) = 31
B)
| (5) = 36
(3) = 49
D)
(3) - 85

Answer 1

f(36)

Explanation:

f(3)=5(3)²-9(3)+18

f(3)=5(9)-27+18

f(3)=45-27+18

f(3)=36