Question

10. Given the function below, what is f(3)?
f(x) = 2x2 - x-5

Answer 1

f(3) = 10

Explanation:

f(3) = 2(3)^2 - (3) - 5

f(3) = 2(9) - (3) - 5

f(3) = 18 - 3 - 5

f(3) = 10