Question

Evaluate the following function. g(x) = 10x − 1 and f(x) = 2x2 − 3
. f(1) =

Answer 1

f(1) = - 1

Explanation:

to find f(1) , substitute x = 1 into f(x) , that is

f(1) = 2(1)² - 3 = 2(1) - 3 = 2 - 3 = - 1