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Sholpan [36]
3 years ago
15

In a direct variation equation f(x) = 6 when x = 4. what is the direct variation equation

Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

C-f(x)=1.5x

just took the quiz and 3/2 reduces to 1.5

KiRa [710]3 years ago
5 0

Answer:

D) f(x)=1.5x

Step-by-step explanation:

Direct variation is the opposite of Proportional Variation. It is given according to this formula:

y=kx

The notation f(x) = y. Since f(x)=y= 6 and x=4 Firstly let's find k. Then plug it back to the original one.

We have:

y=kx\\6=k4\\k=\frac{6}{4} =k=\frac{3}{2}\\y=\frac{3}{2}x \Rightarrow y\approx1.5x

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inn [45]

Answer:

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Difference is subtraction, but your examples (7 and -3 = 10) implies that these are addition problems. Next time please set them up in a mathematical form.

This is how the problems would be set up:

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