Question

Given the function f(x)=x2+2x+1, find:

f( 1/4 )

Answer 1

1 9/16

Explanation:

f(x)=x^2+2x+1

Let x = 1/4

f(1/4)=(1/4)^2+2*1/4+1

= 1/16+ 1/2 +1

= 1/16 + 8/16 + 1

=1 9/16