Question

If f(x) = x${}^2$ + 4x - 1, find the value of f(5).

• A. 44

Answer 1

The correct option is A 44
Given: f(x) = x${}^2$ + 4x - 1

At x = 5,
f(5) = 5${}^2$ + 4(5) - 1
f(5) = 25 + 20 - 1 = 44