Given the function f(x)=x2+2x+1, find: f(2b) Given the function f(x)=x2+2x+1, find: f( 2a−3/5 )
Mathematics
mathisfun14
Question
Given the function f(x)=x2+2x+1, find: f(2b)
Given the function f(x)=x2+2x+1, find: f( 2a−3/5 )
Given the function f(x)=x2+2x+1, find: f( 2a−3/5 )
1 Answer

1. User Answers harpazo
I will do the first one only. The second question is done the same way.
Replace every x you see in the function with 2b and do the math.
f(x) = x^2 + 2x + 1
Let x = 2b
f(2b) = (2b)^2 + 2(2b) + 1
f(2b) = 4b^2 + 4b + 1
Did you follow? That's all there is to it.