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Stells [14]
3 years ago
6

A 8-inch tall sunflower is planted in a garden and the height of the sunflower increases exponentially. 5 days after being plant

ed the sunflower is 13.4805 inches tall. What is the 5-day growth factor for the height of the sunflower
Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0

Answer:

The growth factor is approximately 0.11 or 11%.

Step-by-step explanation:

We have been given that a 8-inch tall sunflower is planted in a garden and the height of the sunflower increases exponentially. 5 days after being planted the sunflower is 13.4805 inches tall.

We will use exponential growth formula to solve our given problem.

y=a\cdot (1+r)^x, where,

y = Final value,

a = Initial value,

r = Growth rate in decimal form,

x = Time.

Upon substituting initial value a=8, x=5 and y=13.4805, we will get:

13.4805=8\cdot(1+r)^5

8\cdot(1+r)^5=13.4805

\frac{8\cdot(1+r)^5}{8}=\frac{13.4805}{8}

(1+r)^5=\frac{13.4805}{8}

Now, we will take 5th root of both sides of equation as:

\sqrt[5]{(1+r)^5} =\sqrt[5]{\frac{13.4805}{8}}

1+r =\sqrt[5]{1.6850625}

1+r =1.1100005724234515

1-1+r =1.1100005724234515-1

r=0.1100005724234515

r\approx 0.11

Therefore, the growth factor is approximately 0.11 or 11%.

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