Solve the problem.After a new firm starts in business, it finds that its rate of profit (in hundreds of dollars) after t years of operation is given by 
Find the profit in year 4 of the operation.
A. $12,000
B. $12,400
C. $7200
D. $8400
Answer: C
Mathematics
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Give an appropriate answer.If f(x, y, z) = 
3/2 find fz(x, y, z).
A. 
B. 
C. 
D. 
Mathematics
Find the area of the shaded region. y = x4 - 32
y = -x4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The ages of 30 swimmers who participated in a swim meet are as follows: 17, 35, 29, 32, 39, 17, 49, 58, 18, 42, 50, 18, 25, 27, 40, 19, 28, 19, 57, 48, 23, 36, 45, 52, 32, 21, 21, 40, 29, 48Construct a grouped frequency distribution for the data. Use the classes src="https://sciemce.com/media/4/ppg__tttt0618191134__f1q15g5.jpg" alt="" style="vertical-align: -4.0px;" />.
What will be an ideal response?
Mathematics
Use the product rule to simplify the radical.
? 
, x ? 0
A. 
B. x
C. 
D. 5
Mathematics