f(t)=16t²+361t+ 12 is the height (in feet) of a ball launched straight up t seconds after it is launched. What is the average velocity of the ball from 5.3 to 7.5 seconds? ft/sec. If necessary, round to two decimal places. If there is more than one correct answer, separate them with commas.

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Q: 11

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A: We know, Average velocity =Total DisplacementTotal time

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A: On solving this we will get

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Q: a) Using the methods of equations. 2x+2y + 4z = 18 x+3y+2z=13 3x+y+3z=14 (b) Gauss-Jordan, solve the…

A: Given :2x+2y+4z=18x+3y+2z=133x+y+3z=14