Answer please for brainlist

In the surface area formula for cylinders which expressionrepresents the lateral area

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.