Find the given value.Find (f - g)(-5) when f(x) = x + 5 and g(x) = 
A. 
B. 0
C. 
D. Does not exist
Answer: D
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Solve the problem.Find the average rate of change. Use appropriate units.
Number of Years of Use
A. -$1.00 thousand per year B. -$2.00 thousand per year C. $2.00 thousand per year D. $1.00 thousand per year
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to 
where x is time in days. After how many days will the number of bacteria in the culture be 4,687,500?(Hint: Let B(x) = 4,687,500.)
A. 10 days B. 6 days C. 4 days D. 1 day
Graph the parabola.x = y2 - 4y + 4
A. 
B. 
C. 
D. 
Substitute to find the value of the expression.Traveling at r kilometers per hour for t hours, a driver will travel rt kilometers. How far will Danny travel in 12 hours at a speed of 54 kilometers per hour?
A. 4.5 km B. 648 km C. 648 mi D. 66 km