Two frogs were racing and start on 0. Fred Frog jumped 3 feet to the right and 2 feet to the left. Fiona Frog jumped 8 feet to the left then 10 feet to the right. Who is ahead? (assuming the finish line was on positive 20)

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet