Solve The Porportion

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585