Write the first five terms of the geometric sequence.a1 = 9, r = -5
A. 9, -45, 225, -1125, 5625
B. 9, 4, -1, -6, -11
C. 9, 45, 225, 1125, 5625
D. -45, 225, -1125, 5625, -28,125
Answer: A
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Translate the following into algebraic expressions.The distance "D" traveled by an object is equal to the constant average rate of speed "R" of the object during an elapsed time "T".
A. R = DT
B. D = 
C. R = 
D. D = RT
Solve the problem.The concentration of a drug in the bloodstream, measured in milligrams per liter, can be modeled by the function, 
where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. t = 3.65 minutes after the injection is given B. t = 4 minutes after the injection is given C. at the time of injection D. t = 0.55 minutes after the injection is given
Solve for the specified variable.P = 
for r
A. r = 
B. r = P - tA
C. r = 
D. r = 
Use the square root property to solve the quadratic equation.4x2 = -6x - 1
A. 
B. 
C. 
D. 