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2 years ago

Write a function rule for the given graph. Identify the value of y when x=12.

Mathematics

1 answer:

VLD [36.1K]2 years ago

5 0

Answer: f(x) = x + 2; f(12) = 14

<u>Step-by-step explanation:</u>

The parent function of f(x) = x has been shifted up 2 units

⇒ f(x) = x + 2

f(12) = 12 + 2

= 14

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If the point (4,-2) is included in a direct variation relationship, which point also belongs in this direct variation? A. (-4,2)

IceJOKER [234]

Answer:

(-4,2) belongs in this direct variation.

Step-by-step explanation:

Let the direct variation relationship is expressed by the equation y = mx ........ (1), where x and y are in direct variation and k is the variation constant.

Now, the point (4,-2) is included in the direct variation relationship, then from equation (1) we get, -2 = 4m

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Therefore, the equation (1) becomes $y = - \frac{1}{2}x$

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