1. Which of the following statements is true? A A relation includes both domain and range.
B Dependent variables directly affect the value of the independent variable.
C The input is the range and the output is the domain.
D The vertical line test is a test to see if graph is linear.

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x