Volume liquid = volume of the cone = 1/3 * pi * r^2 * h = 1/3 *3.14 * 1^2 * 9
= 9.42 in^3
so total value = 2 * 9.42 = $18.84
To find the x intercept just substitute your y value for 0 then solve for x.
So you get 0= x+3 and then you get x=-3 which is at (-3,0).
The fraction should be 88/100 I cannot convert. If you could that would be amazing! If I am wrong please do not attack me.
Answer:
-2x^3+x^2+5x-5
Step-by-step explanation:
f(x) = 4 - 2x – 2x^3
g(x) = x² + 7x-9
f(x) + g(x)=4 - 2x – 2x^3+ x² + 7x-9
Combine like terms
f(x) + g(x) = -2x^3+x^2+5x-5