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2 years ago

What is the function rule for the line?

Mathematics

1 answer:

fomenos2 years ago

7 0

Answer: It is f(x)= -3/2x-2

Step-by-step explanation: f(x) is the same as y. The formula for a line is slope-intercept form (y=mx+b). The -2 is the y-intercept, and the line intercepts the graph at -2. The slope is -3/2 because it rises 3 and goes to the left -2.

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Let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).

ruslelena [56]

$f(g(x))=9(-x+3)-2 \\ f(g(x))= -9x+27-2 \\ f(g(x))= -9x+25$

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2 years ago

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5-x=12 help plss now

Zielflug [23.3K]

Answer:

x = -7

Step-by-step explanation:

5-x=12

To solve for x, you must first make the equation equal to x (to make x alone on one side).

5 - x = 12

-5 -5

-x = 7

-x(-1)=7(-1)

x = -7

6 0

3 years ago

Anyone who can help please do so but if you dont know the answer don't comment

KonstantinChe [14]

Tough one give me a couple min.

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2 years ago

When the sun has risen 32 degrees above the horizon, Sandy casts a shadow that is 9 feet 2 inches long. How tall is Sandy, to th

Makovka662 [10]

Answer:

The height of Sandy is 68.74 inches.

Step-by-step explanation:

It is given that the sun has risen 32 degrees above the horizon. It means the angle of elevation is 32°.

Let the height of Sandy be x.

Sandy casts a shadow that is 9 feet 2 inches long.

We know that 1 feet = 12 inches

Using this conversion, we get

Shadow = 9 feet 2 inches = 9(12)+2 = 110 inches

In a right angled triangle,

$\tan\theta =\frac{perpendicular}{base}$

In triangle ABC,

$\tan(\angle C)=\frac{AB}{BC}$

$\tan(32^{\circ})=\frac{x}{110}$

Multiply both sides by 110.

$110\tan(32^{\circ})=x$

$68.73562871=x$

$x\approx 68.74$

Therefore the height of Sandy is 68.74 inches.

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3 years ago

If you reflect (–2, –8) across both axes, which quadrant will it be in? Justify your reasoning.

stepan [7]

The quadrant would be the first one, because once reflected over the y-axis, it would become (2,-8), and once reflected over the x-axis, it would become (2,8)

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3 years ago

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