Answer:
7
Step-by-step explanation:
In order to solve an equation like this, you'll need to find a common denominator for your Fraction.
7 +
its approximately 2463.01 cubic units
21
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f(-3) = -2(-3)^3 - 3
f(-3) = 54 - 3
f(-3) = 51
g(3) = -5(3) + 4
g(3) = -15+4
g(3) = -11
Hope this helps!
25/2 I believe