Question

The manager of a mail order business will ship the packages to their customers. The
cost, in dollars, to mail a package is based on its weight x, in pounds, and is given by the
equation y = 0.7x2 –2.5x + 3. How much will the cost be to mail a 5 lb. package?

Answer 1

Is 0.7x2 multiplying or is that a variable?

Answer 2

I think its a variable

Answer 3

Okay thanks, one moment

Answer 4

y = 0.7x2 - 2.5 +3
y = 0.7 + 4.5 +3
y = 5.2 + 3
y = 8.2
I don't know if i'm right, if you go into the math chat room, you could ask for assistance.

Answer 5

That's fine, Thanks for the help!

Answer 6

Sure thing :P

Answer 7

yeah it's 8.