3 years ago

Which function represents a horizontal compression of an exponential function?

Mathematics

2 answers:

lubasha [3.4K]3 years ago

5 0

Answer: y=23x

Step-by-step explanation:

saveliy_v [14]3 years ago

5 0

Answer:

y=2^3x

Step-by-step explanation:

i just did it.

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Prove tan(x - (π / 4)) = (sin x – cos x) / (cos x + sin x) by filling in the reasons in the table below.

Mrac [35]

No way to know what reasons you're supposed to choose from...

By definition of tangent,

$\tan\left(x-\dfrac\pi4\right)=\dfrac{\sin\left(x-\frac\pi4\right)}{\cos\left(x-\frac\pi4\right)}$

The angle sum identities give

$\tan\left(x-\dfrac\pi4\right)=\dfrac{\sin x\cos\frac\pi4-\cos x\sin\frac\pi4}{\cos x\cos\frac\pi4+\sin x\sin\frac\pi4}$

$cos\dfrac\pi4=\sin\dfrac\pi4=\dfrac1{\sqrt2}$ , so we can cancel those terms to get

$\tan\left(x-\dfrac\pi4\right)=\dfrac{\sin x-\cos x}{\sin x+\cos x}$

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sammy [17]

Answer

Days

Step-by-step explanation:

Then number of blue shirts worn on the vertical

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2 years ago

What is the value of Enter your answer in the box.

Katen [24]

Answer:

x=40

Step-by-step explanation:

The sum of the angles of a triangle add to 180

x+102+38 = 180

Combine like terms

x + 140 = 180

Subtract 140 from each side

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Oxana [17]

Answer:

Answer not obvious

Step-by-step explanation:

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Solve the following system by ELIMINATION. 6x + 10y= 16 2x + 20y= -28

Otrada [13]

X = 6 , y = -2
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2 years ago

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