Question

Given the function f(x)=x^2+2x+1, find:

f (2a−3)/5

Answer 1

Explanation:

f(x)=x²+2x+1,

f (2a−3) = (2a-3)² +2(2a-3) +1

= 4a² - 12a +9 +4a -6 +1

f (2a−3) = 4a² - 8a +4

f (2a−3) /5 = (4a² - 8a +4)/5