Which of the following algebraic expressions could represent thirty less than one-half the value
30 - 2
(30 - )2
o }(3-30)
o 2 – 30

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

How do you use the elimination method for this question? explain, because i really want to understand!

How many $20 bills do you need to have to make $280