1. Work out the area of a circle with radius 7.5 cm. Take (pie) to be 3.142 and give your answer to 2 decimal places.
2. A semicircle has radius 8.2 cm.
Work out the area of the semicircle.
Take (pie) to be 3.142 and give your answer to 2 decimal place.

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.