Situation A: Carl wants to build a square dog pen. He will decide how much area he should provide for his dog, then will purchase enough fencing material to make the pen. The function F 4VA can be used to determine F, the amount of fencing needed given A, the area of the square pen. Which equation should Carl use to determine the amount of fencing needed if he wants the pen to have an area of 100 square feet? A F=4(100) B F=4V100 C 100 VAA D 100 4 A %3D %3D

Billy currently has $50 in his vacation fund. He earns $35 each week mowing lawns and spend $14 of the $35 for entertainment. He puts the rest in his vacation fund. Which function can be used to determine a, the amount of money in Billy's vacation fund, in dollars, at the end of w, weeks?A.y=35+14xB.y=36+35xC.y+50+21xD.y=50+35x

The cost in dollars of producing x toy cars is C(x) = 2.2x +1. The revenue for selling x toy cars is R(x) = 6.45x. To calculate profit, subtract the cost from the revenue. %3D a. Write and simplify a function P that represents profit in terms of x. b. Find the profit of producing 40 toy cars.

. Town MHF determines the amount of property tax (P) in hundreds of dollars as a function of thebuilding size (s) in 10 square meters.?(ℎ) = 5 √? − ³√3 + 5a. What property tax would you need to pay on an empty lot (no building)?b. Determine the average rate of property tax increase (per 10 square meters) for s = 2 to s = 5. c. What is the instantaneous rate of change of property tax for a building that is 100m²(s = 10)?