What is the average rate of change of the function f(x) on the interval 4≤x≤−2?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates