Tell Whether the Equation Determines Y to Be a Function

Q15: The graph shown gives the first-class postage

Q16: Graph the function and find its domain

Q17: If the ratio of rise to run

Q18: If you have the following function f

Q19: Graph the linear equation. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8672/.jpg" alt="Graph

Q21: The grade of a highway up a

Q22: Tell whether the equation determines y to

Q23: The time it takes a truck to

Q24: Graph a line given the point-slope form

Q25: The cost ( c ) of playing