The total cost f(x), in dollars, for renting a vacation house for x days is shown: f(x) = 10 + 250x

What does f(10) represent?

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2