Question

Evaluate F (-5) and f(2) without a calculator 

Answer 1

f(x) = 3x2 + 5 and y = 3x2 + 5

Explanation:

The expressions that follow f(x) = and y = are the same, so these are two different ways to write the same function: f(x) = 3x2 + 5 and y = 3x2 + 5.