91Ó°ÊÓ

Aerobics If a woman in an aerobic dance class burns 353 calories per hour, express the number of calories burned, \(C,\) as a function of the number of hours danced, \(n\).

Each of the following functions is invertible. Find the inverse using composition. $$ f(x)=4-3 x $$

Paper Consumption If the average American uses \(580 \mathrm{lb}\) of paper annually, express the total annual paper consumption of the United States, \(P\), as a function of the size of the population, \(n\).

Determine whether the graph of each function is symmetric about the y-axis or the origin. Indicate whether the function is even, odd, or neither. $$ f(x)=|x|-9 $$

Write the standard equation for each circle. Center at \((0,0)\) and passing through \((\sqrt{3} / 2,1 / 2)\)

Each of the following functions is invertible. Find the inverse using composition. $$ f(x)=5-2 x $$

Determine whether the graph of each function is symmetric about the y-axis or the origin. Indicate whether the function is even, odd, or neither. $$ \text { 1. } f(x)=x $$

Cost of Window Cleaning If a window cleaner charges \(\$ 50\) per visit plus \(\$ 35\) per hour, express the total charge \(C\) as a function of the number of hours worked, \(n\).

Each of the following functions is invertible. Find the inverse using composition. $$ f(x)=\frac{x}{2}-9 $$

Cost of a Sundae At Doubledipski's ice cream parlor, the cost of a sundae is \(\$ 2.50\) plus \(\$ 0.50\) for each topping. Express the total cost of a sundae, \(C,\) as a function of the number of toppings, \(n\).