Answer:
The average is 124
Step-by-step explanation:
When x=2 substitute into the equation given above
-3^2+79
9+79=88...(1)
When x=4
-3^4+79
81+79=160(2)
Average of (1) and (2)
160+88/2
=248/2
=124
Therefore the average rate is 124
Hope this will help you 2(-15)-1=-31
Washer 225
Dryer 425
.....
-3
f(x)=-2x+7
f(5)=-2×5+7
=-10+7
=-3
