I'm pretty sure that it's b. That's assuming that you find the negative of b^2 and not the square of negative b.
Answer:
y=-2x^2+10x-12
Step-by-step explanation:
graph is shown in image below
Answer: [-1,infinity)
Step-by-step explanation:
2 cups of flour x cups of flour
–––––––––––– = –––––––––––––
24 cookies 54 cookies
cross multiply
2*54=24x
24x=108
x=4.5
4.5 cups of flour