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Nesterboy [21]
3 years ago
8

Please help me with this question.

Mathematics
1 answer:
JulsSmile [24]3 years ago
6 0

Answer:

<h2>The graph in the attachment.</h2><h2>The inverse is not a function.</h2>

Step-by-step explanation:

The graph of the function and its inverse are symmetric with respect to the line y = x.

The inverse is not a function because for x = 3 we has two values of y: -3 and -4 (look at the picture).

<em>A function is a relation that associates each element x of a set X to a single element y of another set Y.</em>

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Mabye try making the triangle a right triangle and use SohCahToa (sin, cos, tan) to figure out each angle?
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Which expression is equivalent to
Nutka1998 [239]

Answer:1/5

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2 years ago
Which values are with in the range of the piecewise defined function?
zepelin [54]

Answer:

y = -6; -3;  0

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached image below, to find more information about the graph

The equation is:

f(x)  = 2x+2  , x < -3

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3 years ago
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deff fn [24]

Answer:

the answer would be 116.

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Step-by-step explanation:

4 0
3 years ago
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alexandr402 [8]

1. One way to approach this is to convert the magnitude and direction of each force to rectangular coordinates.

... first force = 90(cos(30°), sin(30°)) = (77.94, 45.00)

... second force = 50(cos(160°), sin(160°)) = (-46.98, 17.10)

Then their sum is

... resultant force = first force + second force = (30.96, 62.10)

The magnitude is found using the Pythagorean theorem:

... resultant magnitude = √(30.96^2 + 62.10^2)

... ... = √(958.52+3856.41) = √4814.93

... ... = 69.39

The resultant direction can be found using the definition of the tangent function.

... tan(α) = 62.10/30.96 = 2.01

... α = arctan(2.01) = 63.55°

The (magnitude, direction) of the resultant force are (69.39, 63.55°).

_____

(Note that rounding introduced an error of 0.05° in the direction.)

2. Using DeMoivre's theorem, the magnitude of the 4th root is the 4th root of the magnitude, and the angle of the 4th root is 1/4 of the angle (and its aliases).

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