The time it takes an average athlete to swim 100 meters freestyle at age x years can be modeled as tx)0.181x2 - 8.463x 147.376 seconds.t (a) Numerically estimate to the nearest tenth the rate of change of the time for a 14-year-old swimmer to swim 100 meters freestyle. 3.4 seconds per year (of age) (b) Determine the percentage rate of change of swim time for a 14-year-old. (Round your answer to one decimal place.) 6.6 X % per year (of age) (c) Is a 14-year-old swimmer's time improving or getting worse as the swimmer gets older? The negative The swimmer's time is improving rate of change shows that swim time is decreasing '
The time it takes an average athlete to swim 100 meters freestyle at age x years can be modeled as tx)0.181x2 - 8.463x 147.376 seconds.t (a) Numerically estimate to the nearest tenth the rate of change of the time for a 14-year-old swimmer to swim 100 meters freestyle. 3.4 seconds per year (of age) (b) Determine the percentage rate of change of swim time for a 14-year-old. (Round your answer to one decimal place.) 6.6 X % per year (of age) (c) Is a 14-year-old swimmer's time improving or getting worse as the swimmer gets older? The negative The swimmer's time is improving rate of change shows that swim time is decreasing '
Chapter6: Exponential And Logarithmic Functions
Section6.7: Exponential And Logarithmic Models
Problem 16TI: Recent data suggests that, as of 2013, the rate of growth predicted by Moore’s Law no longer holds....
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b) is supposed to be rounded to 1 decimale place, i cant figure it out.
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