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A computer can sort x objects in t seconds, as modeled by the function below: t=0.007x^2+0.003x. How long, in seconds, will it take the computer to sort 15 objects? Round your answer to the nearest hundredth of a second.

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texaschic101
x objects in t seconds.....how long to sort 15 objects....so x = 15

t = 0.007(15^2) + 0.003(15)
t = 0.007(225) + 0.045
t = 1.575 + 0.045
t = 1.62 seconds <===

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