Find the slope of a line parallel to x+y=14

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Question 5 spring semester final exam math evaluate

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