ACT Math: Intermediate Algebra: Drill 5, Problem 1. What does g(f(x)) equal?
|ACT Math||Intermediate Algebra|
|ACT Mathematics||Intermediate Algebra|
|Foreign Language||Arabic Subtitled|
|Functions||Build new functions from existing functions|
Understand the concept of a function and use function notation
|Product Type||ACT Math|
through g of x.
Basically, we can substitute "1 over x plus 1" as f of x... to get g of 1 over x plus 1.
Our new "x" is 1 over x plus 1, so our new g of x will be the entire quantity 1 over
x plus 1 squared.
When simplified, we get 1 over x plus 1 squared...
So there you go. Boom! The answer is B.