Find the domain of the graphed function, 10
O A. X20
O B. -9 sxs5
C. O sxs 10
O D. xis all real numbers.

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out