Which of the following has a vertex located on the X-Axis?

How do you solve a question like this?

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.

Which two undefined geometric terms always describe figures with no beginning or end?