Question 132683
Linear: It cost 10 cents to set up Lucy's lemonade business.  It costs
her 2 cents to make a glass of lemonade.  What is her cost to make 
50 glasses of lemonade?
Cost(x) = 10 + 2x
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Quadratic: The path of a baseball hit from 3' above the ground with
a velocity of 50 ft/sec is y = -16t^2+50t+3
How far from home plate will the ball hit the ground?
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Cubic: A box is x inches wide, 2x inches long, and 3x inches high.
what is the volume of the box
V = x*2x*3x = 6x^3
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Cheers,
stan H.