Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 10 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 5t2. Find the distance the object travels in the first 7 seconds.
A. 245 feet
B. 49 feet
C. 70 feet
D. 35 feet
Answer: A
Mathematics
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A. - 
, 3
B. - 
, 7
C. - 
, -3
D. -3, 7
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Solve the equation.
- 
= 1
A. {3, -1} B. {-3, -1} C. {3} D. ?
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The weight w, in pounds, of a certain animal at age t years satisfies the equation of change 
. For what values of the weight w is the animal losing weight? Round your answer to two decimal places.
?
A. 
pounds
B. 
pounds
C. 2.90 pounds
D. None of the above
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A. 1580 B. 1568 C. 1592 D. 1500
Mathematics