d = 4t + 3t^2 where d is measured in feet and t is measured in seconds. How many seconds will it take for the object to travel 55 feet? Round the answer to 4 decimal places.
Added by Gail S.
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We want to find the value of t when d is equal to 55 feet. To do this, we can substitute 55 for d in the equation and solve for t. 55 = 4t + 3t^2 Now, let's rearrange the equation to put it in standard quadratic form: 3t^2 + 4t - 55 = 0 To solve this Show more…
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