Can someone help?

Can someone me with this problem . show your work .

The variable in a relation who’s value depends on the value of the independent variable is called what?

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.