Idon't understand 7-9 but it's okay if you me with one math problem.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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.

What is the value of x enter your answer in the box (3x+50