Answer:
Step-by-step explanation:
1) f(x) = 7 - 8x²
f(3) = 7 - 8*3²
= 7 - 8*9
= 7 - 72
f(3) = -65
2) f(a) = -5(a-2)
f(3) = -5(3 -2) = -5 * 1 = -5

4) f(m) = m(m +4)
f(3) = 3*(3+4) = 3 * 7 = 21
Of 33 I think that's what the question says
Maybe the answer is 5 , then you see the fomula of volume of cylinder with height of 5 , the r is radius of cylinder , so maybe take 5 multiple r so maybe answer is like that
Answer: She will be able to fill 5
Step-by-step explanation: