Medical evidence shows that a small change in the radius of an artery can indicate a large change in blood flow. For example, if one artery has a radius only 5% larger than another, the blood flow rate is 1.22 times as large. Further information is given in the table below. Increase in radius Times greater blood flow rate 5% 1.22 10% 1.46 15% 1.75 20% 2.07 (a) Use the average rate of change to estimate how many times greater the blood flow rate is in an artery that has a radius 8% larger than another. (Round your answer to three decimal places.) 1.364 times greater (b) Explain why if the radius is increased by 8% and then we increase the radius of the new artery by 8% again, the total increase in the radius is 16.64%.   x + 8% of x x + 8/100 X x x + 0.08x = 1.08x 1.08x + 8% of (1.08x) 1.08x + 8/100 X (1.08x) 1.08x + 0.0864x = 0.1664x = 16.64% (c) Use parts (a) and (b) to answer the following question: How many times greater is the blood flow rate in an artery that is 16.64% larger in radius than another? (Round you answer to three decimal places.)

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Chapter2: Functions
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Medical evidence shows that a small change in the radius of an artery can indicate a large change in blood flow. For example, if one artery has a radius only 5% larger than another, the blood flow rate is 1.22 times as large. Further information is given in the table below.

Increase in radius Times greater blood
flow rate
5% 1.22
10% 1.46
15% 1.75
20% 2.07
(a) Use the average rate of change to estimate how many times greater the blood flow rate is in an artery that has a radius 8% larger than another. (Round your answer to three decimal places.)
1.364 times greater

(b) Explain why if the radius is increased by 8% and then we increase the radius of the new artery by 8% again, the total increase in the radius is 16.64%.
 
x + 8% of x
x + 8/100 X x
x + 0.08x = 1.08x
1.08x + 8% of (1.08x)
1.08x + 8/100 X (1.08x)
1.08x + 0.0864x = 0.1664x = 16.64%

(c) Use parts (a) and (b) to answer the following question: How many times greater is the blood flow rate in an artery that is 16.64% larger in radius than another? (Round you answer to three decimal places.)
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