Write an algebraic expression, using x as the variable.A number plus 8
A. 8
B. 8x
C. 8 - x
D. 8 + x
Answer: D
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Solve the problem.A company purchases a piece of equipment for A dollars, and the equipment depreciates at a rate of r each year. Its value V after n years is given by 
Expand this expression for n = 4.
A. V = A(1 + 4r + 12r2 + 24r3 + r4) B. V = A(1 - 4r + 12r2 - 24r3 + r4) C. V = A(1 - 4r + 6r2 - 4r3 + r4) D. V = A(1 + 4r + 6r2 + 4r3 + r4)
Evaluate the improper integral or state that it is divergent.
A. 
B. 
C. Divergent
D. 
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log3 (2x - 4) = 1
A. 
B. 
C. 5
D. No solution
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 5 weeks?
A. 250 people B. 20,000 people C. 14,664 people D. 20,400 people