Find the function value.Let f(x) = 4
+ 2x. Find f(4y).
A. 4
+ 2y
B. 4
+ 4y
C. 15
+ 10y
D. 16
+ 8y
Answer: D
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Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 280,000 units are to be made, it costs $1 to store a unit for one year, and it costs $340 to set up the factory to produce each batch.
A. 22 batches B. 14 batches C. 16 batches D. 20 batches
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.?
A. 
B. 
C. 
D. 
Solve the variation problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 37.5 seconds to finish the race.
A. 3 feet per second B. 5 feet per second C. 6 feet per second D. 4 feet per second
Rewrite the expression using a determinant. Show all your work.ax2 + bx
What will be an ideal response?