2 years ago

The graph of a function f is shown below find f(-2).

Mathematics

1 answer:

geniusboy [140]2 years ago

5 0

Answer:

-3

Step-by-step explanation:

when you look at it go to where x is -2 then go down to where the blue line goes on the point

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Solve the following logarithmic equations.<br> ln(32x^2) − 3 ln(2) = 3

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Answer:

$x=\pm \frac{\sqrt{e^{3} } }{2}$

Step-by-step explanation:

Rewrite the equation using the next propierties:

$log(\frac{1}{x} )=-log(x)$

$ylog(x)=log(x^{y} )$

$log(x*y)=log(x)+log(y)$

$ln(32x^{2} )-ln(2^{3})=3\\ ln(32x^{2} )+ln(\frac{1}{2^{3} } )=3\\ln(\frac{32x^{2} }{8})=3\\ ln(4x^{2} )=3$

Cancel logarithms by taking exp of both sides:

$e^{ln(4x^{2}) } =e^{3} \\4x^{2} =e^{3}$

Divide both sides by 4:

$x^{2} =\frac{e^{3} }{4}$

Take the square root of both sides:

$x=\pm \sqrt{\frac{e^{3} }{4} } =\pm \frac{\sqrt{e^{3} } }{2}$

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3 years ago

The students in Mr. Collin’s class used a surveyor’s measuring device to find the angle from their location to the top of a buil

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Answer:

Option A -The height of the building is 105 ft

Step-by-step explanation:

to get the height of the building, we calculate using SOH CAH TOA

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Height = tan 59° X (63)

Height = 1.6643 X 63

Height = 104.85

Height = 105 ft

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3 years ago

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Answer:

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