Idk how to do a formula in excel for this

Outputs ( This problem has you compare various linear functions 10 a.) Enter formulas for the 5 different linear functions which can be filled down that will output the appropriate y-value for the given x-values 10 b.) What is the y-intercept of each function? Answer should be a number. 14 ) Which slope from the 5 different linear functions will give the largest y-value for x -1.5? Answer should be a number. 16 20 d.) will a positive or negative slope cause the graph to move downward from left to right? Answer should be the word positive or negotive. 10 Part b: Part c Part d: 25 26 eJ Make a single scatterplot (connect the dots) showing all 5 ines 30