Question

Using the function f(x) = x2 + 4, find f (-3.5)

Answer 1

f(- 3.5) = 16.25

Explanation:

To evaluate f(- 3.5), substitute x = - 3.5 into f(x) , that is

f(- 3.5) = (- 3.5)² + 4 = 12.25 + 4 = 16.25