Question

What is f(2) for the function f(x) = 2 x^2 + 6 x − 5

Answer 1

Explanation:

x + 2) = 2(x + 2)2 - 6(x + 2)

= 2(x2 + 4x + 4) - 6(x + 2)

= 2x2 + 8x + 8 - 6x - 12

= 2x2 + 2x - 4