Which of the following is the value of logb(1/b^3) for any base b>0? (1)^3b
(2)^-3
(3)1/3
(4)b/3

Can any one me with the answers to these questions asap?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1