First correct answer gets !

f(x) = -3x^2 + 2x - 7 find f(-1)

-12

Step-by-step explanation:

What it means by f(-1) is that x is -1.

So all you do is plug -1 into the x areas like this: -3(-1)^2+2(-1)-7=-12.

4 times

Step-by-step explanation:

1 quart is equivalent to 32 fluid ounces.

If each eruption consumes 8 fluid ounces of vinegar. Assuming that the amount of vinegar required per eruption is constant, the number of times Tanvi can make her volcano erupt is:

Tanvi can make her volcano erupt 4 times  with 1 quart of vinegar.