linear functions please help

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The cliff divers of Acapulco amaze tourists with their diving skills. The velocity v of a diver is a function of the time t the diver has fallen. If the initial velocity of the diver is 3 feet per second and 

 feet per second when 
t = 3
seconds, express v as a function t.
v(t) = 
Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

initial velocity = 3 ft/sec

at t =
3 sec it becomes -93 feet/sec

change in velocity = -93-3 = -96 ft/sec in 3 sec

or per second drop = -96/3 = -32 ft/sec

hence v(t) = 3 - 32t   (answer)


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