What is the inverse of f(x)= 1/5 x
Is it an inverse function?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3