At a convenience store, bottles of water cost $1.50 each. The function below gives the cost of buying x bottles. Give a reasonable domain and range for the function in this context. f(x) = 1.5x

A. Domain: x ≥ 0 Range: y ≥ 0
B. Domain: x = 0, 1, 2, 3, 4, 5, ... Range: y = 0, 1.5, 3, 4.5, 6, 7.5, ...
C. Domain: x ≥ 1.5 Range: y ≥ 1.5
D. Domain: x = 0, 1, 2, 3, 4, 5, ... Range: y = 0, 1, 2, 3, 4, 5, ...

(x3 + 6x2 + 2x - 6) • (x - 1)

step-by-step explanation:

polynomial long division :

3.2     polynomial long division

dividing :   x4+5x3-4x2-8x+6

                              ("dividend")

by         :     x-1     ("divisor")

dividend     x4   +   5x3   -   4x2   -   8x   +   6

- divisor   * x3     x4   -   x3            

remainder         6x3   -   4x2   -   8x   +   6

- divisor   * 6x2         6x3   -   6x2        

remainder             2x2   -   8x   +   6

- divisor   * 2x1             2x2   -   2x    

remainder               -   6x   +   6

- divisor   * -6x0               -   6x   +   6

remainder                     0

quotient :   x3+6x2+2x-6   remainder:   0

your answer would be 12