For any positive number b not equal to 1 and any number or variable n, evaluate the following expression

b^{log_{b}n } =

a. n
b. log b
c. log n
d. b

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

What number is 7 units left of -15?