Suppose that the functions f and g are defined for all real numbers x as follows. f(x)=x-1
g(x) = 2x+5
Write the expressions for (f•g)(x) and (f+g)(x) and evaluate (f-8)(-2).

no not all of them.

step-by-step explanation:

some of them have a square base.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.