Can somebody pls help me

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.