Solve the problem.A population grows from an initial size of 0.6 people to an amount P(t), given by 
where t is measured in years from 1991. How rapidly is the growth rate of the population increasing t years from 1991?
A. 0.24 + 1.8t2
B. 3.6
C. 0.24 + 1.8t
D. 3.6t
Answer: D
Mathematics
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A. 21 B. ± 21 C. -21 D. 0
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A. 
B. 
C. 
D. 
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Solve the linear equation.
- 7 = 4
A. 88 B. 90 C. - 90 D. - 88
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Solve the problem.A constant force F = 25i + 35j moves an object from the point P = (10, 8) to the point Q = (3, 30), where units are in pounds and feet. Find the work done by the force.
A. 595 ft-lb B. -30 ft-lb C. 30 ft-lb D. 550.8 ft-lb
Mathematics