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exis [7]
3 years ago
10

What does f(-1) =_ and x=_ ?

Mathematics
1 answer:
lubasha [3.4K]3 years ago
5 0

Answer:

F(-1) = 1

x = 3

Step-by-step explanation:

1) Assume that f(-1) = y1

So that point A (x1 = -1; y1) is a point lying in the graph representing the equation y = f(x)

As it can be seen in the figure, the graph representing that equation crosses point (-1; 1)

=> Point A has y1 = 1

=> f (-1) =1

2) Assume that f(x2) = -2

So that point B (x2; y2 = -2) is a point on the graphy representing the equation y = f(x)

As indicated in the figure, the graph crosses point (3; -2)

=> Point B has x2 = 3

=> When f(x) = -2, x = 3

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Step-by-step explanation:

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3 years ago
If the value of third order determinant is 11. Then what is the value of the determinant formed by its cofactors.
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Answer:

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given ∣A∣=11

det (cofactor matrix of A) =set (transpare of cofactor amtrix of A) (transpare does not change the det)

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we get

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Graph the function −4x+y=3.<br><br><br> I just need to know the coordinates.
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Slope intercept: y=4x+3

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