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malfutka [58]
2 years ago
6

The value of y is directly proportional to x.

Mathematics
1 answer:
Schach [20]2 years ago
3 0

Step-by-step explanation:

x=12

y=3

where k is a constant

k=12

=3

cross multiply

3k=x(when x is 12)

where k is a constant

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A. The function is constant on the following interval: B.2 ≤ x ≤ 5.

B. The function is increasing on the following interval: A.0 ≤ x ≤ 2.

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D. The justification for the previous item is: D.5 ≤ x ≤ 6 is the interval where the slope is the steepest.

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A function is constant when it's graph is an horizontal line, hence in this problem the function is constant for two intervals.

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Hence, in item A, option B is correct.

<h3>When a function is increasing?</h3>

A function is increasing on the intervals that y is increasing while x increases, that is, the function is moving right and up.

Hence, in item B, option A is correct.

<h3>When a function is decreasing?</h3>

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The decrease is faster when the division of the change in the output by the change in the input has the lower value(greater absolute negative).

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More can be learned about linear functions at brainly.com/question/24808124

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