The average grade on a test taken by 20 students was 75. When one more student took the test after school, the class average became 76. What score did the student receive?

ummm seems that u didnt post the attachement !

i think the amount would be $140.62

see attached

step-by-step explanation:

given the function as;

write the equation replacing f(x) with y

form   and fill a table containing values of y with corresponding values of x

you can take a range for   values of x as -3≤x≤3

solving for x=-3

for x=-2

repeat the same procedure to get the values of y for the remaining ,x=-1 to x=3

plot the values of y against values   of x and obtain the following graph