Answer:
-78.424
Step-by-step explanation:
Answer:
5 (wait i screwed up) its 23
Step-by-step explanation:
Answer:
It's the first option.
Step-by-step explanation:
It is turned down so the one half is negative (-1/2)
parabola will be in the form of a(x-h)^2 + k. (-h, k) is your vertex, in this case that is (15,25). so in the equation, you will have
-1/2(x-15)^2 + 25. first one.
Hope this helps!
In both a percentage is taken of the money but in the discount the money taken off while in the sales tax money is added.