I need help on this problem please help!!

What is the value of f(x) = 2.2 for f(-2)?

Find the distance between (7,-6) and (-3,-9)

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.