Find the amplitude.y = 4 cos(2?x - 3)
A. 2?
B. 4
C. 8
D. ?
Answer: B
Mathematics
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Determine whether f is a geometric sequence. If so, identify the common ratio.
A. Yes; - 
B. No
Mathematics
Provide an appropriate response.The Cobb-Douglas production function for a company is given by P = 20l1/3k2/3 where P is the monthly production value when k is the amount of the company's capital investment (in dollars per month) and l is the size of the labor force (in work hours per month). What is the production value when l = 1728 hours and k = $27,000 per month?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the expression.
+ 
A. 
B. 
C. 
D. 
Mathematics
State the dimensions of the matrix.
A. 2 × 3 B. 3 × 2 C. 6 D. 7, -9, -2, -6, -8, -9
Mathematics