What is the inverse of the function f(x) = 2x + 1?
a. h(x) = 1/2x - 1/2
b. h(x) = 1/2x +1/2
c. h(x) = 1/2x -2
d. h(x) = 1/2x +2

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Acircle has a circumference of 7.850 units. what is its radius?