Is this an injective function? Y=〖10〗^x-〖10〗^(-x) and y=〖10〗^x+〖10〗^(-x) No answer is needed; just take points. happy Holidays

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points