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a flower 3in. tall grows an average of 1.5 in. each month. Which equation models the flower's height h after x months?

User Ideamotor
by
8.0k points

2 Answers

1 vote

Answer:

The required equation is
h=3+1.5x, where h is height and x is number of months.

Explanation:

The height of the flower is the sum of initial height and variable height.

Let h is height, h₀ is initial height, m is average growth rate and x is number of months, then the height of the flower is


h=h_0+mx

It is given that the initial height of the flower is 3 inches and the average growth rate is 1.5. So the height of the flower is model by the equation


h=3+1.5x

Therefore the required equation is
h=3+1.5x, where h is height and x is number of months.

User Aladdin
by
8.2k points
5 votes
y=3+1.5x , because the plants original height is 3 in, and then it grows 1.5 in after every month. 
User Sadanand
by
8.2k points

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