The Function Defined By $$D ( t ) = 13 t ^ { 2 } -$$

question 181

Multiple Choice

The function defined by $$D ( t ) = 13 t ^ { 2 } -$$ 73t gives the distance in feet that a car going approximately 50 mph will skid in t seconds. Find the time it would take for the car to skid 380 ft. Round to the nearest tenth.

• A) 9.9 sec
• B) 10.3 sec
• C) 8.9 sec
• D) 10.1 sec

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