If , what is ?
Select an Answer
The correct answer is E.
One way to determine the value of is to solve the equation for . Since , start with the equation , and cube both sides to get . Isolate to get , and apply the cube root to both sides of the equation to get .
Another way to determine the value of is to find a formula for and then evaluate at Let and solve for : cubing both sides gives , so , and . Therefore, , and .