For which of the following functions is the average rate of change from x = 1 to x = 4 equal to 3? select all that apply.
a. ƒ( x) = x 2 – 2 x
b. ƒ( x) = x 2
c. ƒ( x) = 3 x – 5
d. ƒ( x) = 1 + 3 x
e. ƒ( x) = 9 – 3 x

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

7x+8y=-18, 4x-9y=-3 solve the system of equations

Find the missing dimension extra points