ECON 102 - Re X MWelcome to C X MindTap - Cer X Topic: WEEK 1 X MATH 130 LN X + tes_Mini-Tests130_files/MATH%20130%20LN%20Week%201%20SP%202022%20P.pdf 55 / 55| 90% + 3 ) Find the equation y = mx + b of the line through the points (-2, 9) and (3, -1). 3 pts 4 ) Determine all intercepts and the vertex (if any, if none, write "none"). 2 pts a) f ( x ) = - 2x + 5 x-Int y-int vertex b ) 8 (x ) = (x + 3) 2 - 4 5 pts X-Int. -int vertex: 3 pts c) Sketch the graph of each of these functions. Label the axes, put units and mark intercepts and vertex that you got in a) and b) clearly. Use the same given grid for both functions