4. MT&A uses the function () 475 - 15x, to depreciate smart phones, where / represents the value of a smart phone and x represents the number of months since its purchase. Part A: Find and explain what it represents in this situation. Part B: When will the depreciated value of a smart phone be less than $1002 Part C: What does x represent in f-1(x) = 30° What is the value of x? Part D: Graph f(x) and f-(x) on the same coordinate plane below. MATH NATION Camion​

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.

Josie buys a pair of boots that retail for $52.00 dollars, however they are currently on sale for 25% off how much does josie pay for the boots if there is also a 6% sales tax on them

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.