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Vedmedyk [2.9K]
3 years ago
13

Which rule can be used to describe the growth of the y-values of the function y =12x over each interval from x=-1 to x=3

Mathematics
2 answers:
pav-90 [236]3 years ago
7 0

The function y=12x when plotted using the interval of x-values from -1 to 3 will give a straight line on a given plot. Therefore the function rule of a line y=mx+b can be used to describe the growth or progression of this function. The rule states that y is directly proportional to x. 

Vedmedyk [2.9K]3 years ago
3 0

Answer: multiply by 12

Step-by-step explanation:

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A rectangle measures 4 1/2 inches by 2 3/4 inches what is its area?
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11. Keng creates a painting on a rectangular canvas with a width that is four inches longer
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Part A

<h3>Answer:  h^2 + 4h</h3>

-------------------

Explanation:

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area = (length)*(height)

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area = h(h+4)

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The units for the area are in square inches.

===========================================================

Part B

<h3>Answer:  h^2 + 16h + 60</h3>

-------------------

Explanation:

If we add a 3 inch frame along the border, then we're adding two copies of 3 inches along the bottom side. The h+4 along the bottom updates to h+4+3+3 = h+10 along the bottom.

Similarly, along the vertical side we'd have the h go to h+3+3 = h+6

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Multiply these expressions to find the area

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area = x(h+10) ..... replace h+6 with x

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You can also use the box method or the FOIL rule as alternative routes to find the area.

The units for the area are in square inches.

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