Let f(x) = cos-1x. then the domain of f(x) is [-1,1] and the range is all real numbers.

true or false?

To prove p is equal to q using an indirect proof what would your starting assumption be?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?