Does (7,0) make the equation y=
9x + 7 true?

Sum of the interior angles of a pentagon

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.