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Margaret [11]
3 years ago
15

Identify the function in which y varies directly with x.

Mathematics
2 answers:
alisha [4.7K]3 years ago
8 0
I answer should be C.
Hope its right
And work.


patriot [66]3 years ago
3 0

Answer:  The correct option is (C) y = 4x.

Step-by-step explanation: We are given to identify the function in which y varies directly with x.

We know that

if y varies directly as x, then we write as follows :

y\propto x\\\\\Rightarrow y=k\times x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[\textup{where k is the constant of proportionality}]\\\\\Rightarrow y=kx~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

Out of the given options, equation (i) matches with the third option y = 4x, for k = 4.

Therefore, the correct option is (C) y = 4x.

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What is the equation of the quadratic graph with a focus of (3, 6) and a directrix of y = 4? f(x) = one fourth (x − 3)2 + 1 f(x)
mina [271]
 Let point (x, y) be any point on the graph, than the distance between (x, y) and the focus (3, 6) is sqrt((x - 3)^2 + (y - 6)^2) and the distance between (x, y) and the directrix, y = 4 is |y - 4|

Thus sqrt((x - 3)^2 + (y - 6)^2) = |y - 4|
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Required answer is f(x) = one fourth (x - 3)^2 + 5
8 0
3 years ago
Help I’ll give brainliest
umka21 [38]
I’m not quite sure but I think it could be c. 768
7 0
3 years ago
I/3 is equivalent to
IgorC [24]
2/6, 3/9, 4/12, 5/15, 6/18 ect.
Hope this helped!
5 0
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