Answer:
The answer is 54
Step-by-step explanation:
f(x)^-1=-1
f(x)=x^3+1+3x^2+3x
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8 and 8√3
Sin90 = b/8
1 x 8 =b
b=8
Tan 30 = 8/a
1/√3 = 8/a
a=8√3
C
It is right
