Question

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

Answer 1

f(1/a) = 1/a² + 2/a + 1

Explanation:

Step 1: Define

f(x) = x² + 2x + 1

f(1/a) is x = 1/a

Step 2: Substitute and Evaluate

f(1/a) = (1/a)² + 2(1/a) + 1

f(1/a) = 1/a² + 2/a + 1