and please show the work! f (x) =
-x^3 + x^2 + 6x

x^3 + 2x^2 - 3x

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

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}