I think its 18.24 because if you multiply it by 3.14 then subtract u should get 18.24
Answer:

Step-by-step explanation:

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I believe the slope is 3/4
9-3 = 6
4 - (-4) = 8
Simplify to get 3/4
Easy
sub 2 for x
f(2)=2(2)^3-3(2)^2+7
f(2)=2(8)-3(4)+7
f(2)=16-12+7
f(2)=11
Answer:
X = 4
Step-by-step explanation:
-2 times any positive is a negative
X also can't be a negative
so -2 times 4 = -8