Can someone please help me understand ?

Mathematics
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For a certain function f = f (x), we know that f is proportional to x and that the constant of proportionality is 5. Find a formula for f

f = 
 
Sep 10th, 2015

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Given f=f(x)=kx                                                                                                                                                         Since f is proportional to x; k is the constant of proportionality

As Given that k(constant of proportionality) is 5.

Therefore, f(x)=5x

Thus, a formula for f or f(x) is:

          f=f(x)=5x

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Sep 10th, 2015

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Sep 10th, 2015
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Sep 10th, 2015
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