5 pounds of bananas for $1.97 OR 3 pounds of bananas for $1.05? Which is the better buy? unit rates its the theme

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.