Quadratic functions problem.. The following function gives the height h metres, of a batted baseball as a function of the time, t seconds, since the ball was hit. h = -4.5t2 + 13.5t + 5.875 a) What is the physical significance of the 5.875? Prove this is true. b) Determine the characteristics of the quadratic function (hint: Write in standard form). c) What is the geometric significance of the left t-intercept of the graph? Why does this point have no real physical meaning?

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Quadratic functions problem.. The following function gives the height h metres, of a batted baseball as a function of the time, t seconds, since the ball was hit. h = -4.5t2 + 13.5t + 5.875 a) What is the physical significance of the 5.875? Prove this is true. b) Determine the characteristics of the quadratic function (hint: Write in standard form). c) What is the geometric significance of the left t-intercept of the graph? Why does this point have no real physical meaning?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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a) The initial height is 5.875, because plugging in t=0 gives so. I think this is what they want not sure. b) Factor our -4.5 and then complete the square c) It shows at which time the ball hits the ground, it has no physical meaning because the time is negative.

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