The vertex would be (-5, 7).
The parabola would open downwards because of the negative sign at the very beginning of the equation. If that negative sign wasn't there, it would open upwards.
Don't think clever or anything. I just used a simple graphing calculator, and most classes encourage the use of these calculators.
Whats the question you're asking?
Answer:
8 pounds
Step-by-step explanation:
As you know from Part A, 0.5 pounds is one dollar. You want to know how many pounds cost $4. You can fill in the first and second blanks with this information.
$4 ÷ 0.5 pounds per dollar = __ pounds
4 ÷ 0.5 = 8
I hope this helps and please mark me as brainliest!
I believe the answer is 2/3n
