Solve the problem.Cesium - 137 has a decay rate of 2.3% per year. Suppose that 
is released into the atmosphere each year for 10 years at the rate of 0.5 pounds per year. What is the total amount of radioactive buildup?
A. 4.47 pounds
B. 3.89 pounds
C. 4.04 pounds
D. 4.88 pounds
Answer: A
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Use synthetic division to find the indicated function value.f(x) = 2x4 - 20x2 - 4, f(4)
A. 196 B. 828 C. -52 D. 188
For the given functions f and g, find the requested composite function value.f(x) = 18x2 - 7x, g(x) = 7x - 2;
Find (f ? g)(4).
A. 1818 B. 11,986 C. 10,168 D. 6760
Solve the problem.The Feldmans bought their first house for 
Over the years they moved three times into bigger and bigger houses. Now, 40 years later, they are ready to retire and want a smaller house like the first one they bought. If inflation in property values has averaged 
per year during that time, how much will such a house cost them now? (Round your answer to the nearest dollar.)
A. $3404 B. $42,303 C. $43,160 D. $3336
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
, where x is the time in months, with 
corresponding to January, 
, and 
Determine the month with the least sales and give the sales in that month.
A. June; $2900 B. March; $9400 C. December; $6500 D. September; $3600