2 years ago

Which statement is true

Mathematics

1 answer:

topjm [15]2 years ago

3 0

I dunno.......................

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Which of the following is true for the relation f(x) = x2 + 8? Only the inverse is a function. Both the equation and its inverse

Alchen [17]

ANSWER

Only the equation is a function

EXPLANATION

$f(x)=x^2+8$ is graphed above with its inverse $f^{-1}(x)=\pm \sqrt{x-8}$ .

We perform the vertical line test for both the equation and its inverse.

The equation $f(x)=x^2+8$ passed the vertical line hence it is a function.

However, $f^{-1}(x)=\pm \sqrt{x-8}$ failed the vertical line test, hence it is not a function.

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3 years ago

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Answer:

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Step-by-step explanation:

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MrRissso [65]

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Step-by-step explanation:

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3 years ago

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2. A highway makes an angle of 6 with the horizontal. This angle is maintained for a horizontal distance of 5 miles. To the near

hoa [83]

Given:
angle of 6 : i'm assuming this is 6 degrees.
distance of 5 miles.

tan(6) = rise/5 mi
rise = 5 mi * tan(6)
rise = 5 mi * 0.10510423526
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rise = 0.53 miles.

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3 years ago

What is a reasonable height for a 5-story building? 16 mm 16 km 16 cm 16 m

Bogdan [553]

Answer:

16 km !

Step-by-step explanation:

all the others are FAR too small.. they wouldnt even be one story up ! and 16m isnt 5 stories either... km would be right !

i hope this helps !!

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2 years ago