lg0844
31.03.2020 •
Mathematics
Find (f ∘ g)(-6) when f(x) = 9x + 2 and g(x) = -9x2 - 2x + 1.
A.573
B.-2797
C.-24,231
D.605
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Ответ:
Given that the two functions are and
We need to determine the value of
The value of :
The value of can be determined using the formula,
Substituting in the above formula, we get;
Now, substituting in the function , we get;
Thus, the value of is
The value of :
The value of can be determined by substituting x = -6 in the function
Thus, we have;
Thus, the value of is -2797
Hence, Option B is the correct answer.
Ответ: