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Elza [17]
3 years ago
5

What does (fog)(x) mean?

Mathematics
2 answers:
Gala2k [10]3 years ago
8 0
(fog)(x) means f(g(x)). this means we have to use the two functions f(x) and g(x). In this case, we substitute the function of g(x) to the x- variable of the function of f(x). The two functions can be both polynomials or monomials. In this case, the answer to this problem is f(g(x)).
natulia [17]3 years ago
7 0
(fog)(x) = f[g(x)] ...................
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Given: A, B, and C What is the value of X in the matrix equation AX + B = C?
Ksju [112]

Answer:

Option (2)

Step-by-step explanation:

Given expression is, AX + B = C

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Let  X=\begin{bmatrix}a & b\\ c & d\end{bmatrix}

AX = \begin{bmatrix}-3 & -4\\ 1 & 0\end{bmatrix}\times \begin{bmatrix}a & b\\ c & d\end{bmatrix}

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\begin{bmatrix}(-3a-4c) & (-3b-4d)\\ a & b\end{bmatrix}=\begin{bmatrix}-35 & -11\\ 1 & 5\end{bmatrix}

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4d = -4

d = -1

Therefore, Option (2). X = \begin{bmatrix}1 & 5\\ 8 & -1\end{bmatrix} will be the answer.

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