Answer:
cos X = 
Step-by-step explanation:
simplify 15/39
Answer:
Step-by-step explanation:
(7y)² = 7²×y² = 49y²
Answer:
2(3x+6), 6(x+2), and 3(2x+4)
Step-by-step explanation:
Answer:
x= I just want free points
Answer:
Gah! Inverses!
Step-by-step explanation:
This is a pretty simple concept, just switch the x and f(x) values!
If you don't understand, look at how I solve it!

Switching the positions of the x and f(x) values...

Note: That f(x)^-1 is the proper notation for inverse functions.

There you go!
Hope this helps, and don't procrastinate!