Question

What is the value of f(-2) when f(x) = 2x2−3x+28

Answer 1

f(2) = 30

Explanation:

f(x) = 2x² − 3x + 28

f(2) = 2(2)² - 3(2) + 28

f(2) = 2(4) - 6 + 28

f(2) = 8 - 6 + 28

f(2) = 30