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serious [3.7K]
2 years ago
6

F(x) = -22 – 4x Find f(-1)

Mathematics
2 answers:
LUCKY_DIMON [66]2 years ago
3 0
= -22-4(-1)
= -22+4
= -18
igor_vitrenko [27]2 years ago
3 0

Answer:

f(-1) = -18

Step-by-step explanation:

You just plug in -1 for x in the equation

f(x) = -22-4x

f(-1)=-22-4(-1)

f(-1)= -22+4

f(-1)=-18

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We want to find the values of a, b, c, and d such that the given matrix product is equal to a 2x2 identity matrix. We will solve a system of equations to find:

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<h3>Presenting the equation:</h3>

Basically, we want to solve:

\left[\begin{array}{cc}-1&2\\a&1\end{array}\right]*\left[\begin{array}{cc}b&c\\1&d\end{array}\right] = \left[\begin{array}{cc}1&0\\0&1\end{array}\right]

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If you want to learn more about systems of equations, you can read:

brainly.com/question/13729904

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