<span>2.87500 pounds. yup just putting extra characters.</span>
40 because the three in the units place is smaller than 5 so you round down.
A. No x value can have multiple different outputs.
D. The change in y between x values is 4 but the function when x is 0 is -2
I can't explain it but if you need me to explain it I can but here is my work.