Solve the following system of equations by substitution and select the correct answer below: 2x − 4y = 24 4x − 12y = 36

possible answers:
x = 18, y = 3
x = 18, y = −3
x = −18, y = 3
x = −18, y = −3

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

What is the inverse of the function f(x) = 2x + 1?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.