The answer to this question is 90 mm
For f(10) replace x with 10 then solve:
f10) = 10^2 + 1
= 100 +1
= 101
FASTmovers will only cost $39.95 because mileage is free. however SPEEDYmovers cost $29.95 the first 75miles will be free but the last 25 will be .35 multiplied by 25 will cost an extra $8.75 add that up with the cost for the truck and you will get $38.70 so SPEEDY movers is the one to get
The answer to 4+11 would be 15