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philkas414

philkas414

28.01.2020 •

Mathematics

For f(x)= 5 over x-7 when will. f(x) equal 8?

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Ответ:

lambobacon9027

16.01.2022

Therefore at

$x=\dfrac{1}{3}$

we have

f(x)=8

Step-by-step explanation:

Given:

$f(x)=\dfrac{5}{x}-7$

To Find:

x = ? when f(x) = 8

Solution:

$f(x)=\dfrac{5}{x}-7$ ..............Given

Substituting f(x) = 8 we get

$8=\dfrac{5}{x}-7$

Adding 7 to both the side

$8+7=\dfrac{5}{x}-7+7$

$15=\dfrac{5}{x}$

$x=\dfrac{5}{15}=\dfrac{1}{3}$

Therefore at

$x=\dfrac{1}{3}$

we have

f(x)=8

0,0(0 оценок)

Ответ:

Lilshawn1

12.09.2022

It would be b ! hope this

0,0(0 оценок)

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