Which of the following equations have only one solution?

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Explain how you can use the associative property to evaluate (7x50)x4.

For what value of (y) is 3^3/3^y =1/9