Question

F(x) = 4x2 – 10x + 2
Find f(-7)

Answer 1

f(-7) = 268
Step by step:

Answer 2

f(-7) = 268

Explanation:

f(x) = 4x^2 – 10x + 2

Let x = -7

f(-7) = 4(-7)^2 – 10(-7) + 2

Exponents first

f(-7) = 4(49) – 10(-7) + 2

Multiply

f(-7) = 196 + 70 + 2

f(-7) = 268