For the following function, evaluate f(2): f(x) = |x - 8| + 2

The chart below shows the distribution of weeds in yard

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )