5. A shipping service uses the weight of a package to determine its postage. The charge is $3 for the first pound and $2 for each additional pound up to
5 pounds. What are the domain and range of the function?
3,0 <1
5, 1<x<2
f(x) = 7,2 <x<3
9,3 < x < 4
11,4 < x < 5

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y