Question #e8f46

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Question #e8f46

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Answer 1 · 2017-09-07T17:41:36

$y = 4 x$ $y=4x$ is a direct variation with a constant of $4$ $4$

Explanation:

Any function that can be written in the form:
$XXX y = c x$ $color(white)("XXX")y=color(magenta)cx$ with a constant $c$ $color(magenta)c$
is a direct variation with a constant of $c$ $color(magenta)c$

Answer 2 · 2017-09-07T17:44:48

$y = 4 x is direct variation, k = 4$ $y=4x" is direct variation",k=4$

Explanation:

$the equation for direct variation is$ $"the equation for direct variation is"$

$∙ x y = k x \leftarrow k is the constant of variation$ $•color(white)(x)y=kxlarrcolor(blue)" k is the constant of variation"$

$y = 4 x is in this form with k = 4$ $y=4x" is in this form with "k=4$

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Question #e8f46

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