The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
Is there a profit when 947 binoculars are produced?
A. Yes
B. No
Answer: A
Mathematics
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Translate the problem situation to a system of equations. Do not solve.The perimeter of a rectangular building is 152 feet. The width is 28 feet shorter than the length. What are the dimensions?
A. W = L + 28; 2L + 2W = 152 B. L = W - 28; 2L + W = 152 C. W = L - 28; 2L + 2W = 152 D. W = L - 28; L + W = 152
Mathematics
Solve the proportion equation.
= 
A. 
B. 5
C. 
D. 16
Mathematics
Find the specified minor and cofactor for the matrix A.M33 and A33 if A = 
A. M33 = 10 and A33 = 10 B. M33 = 10 and A33 = -10 C. M33 = -10 and A33 = 10 D. M33 = -10 and A33 = -10
Mathematics
E ( X )
The random variable X has the probability density function ( ) [ ) 0.2 0.2 0, f x e? = over ? . Compute the following quantities.
Mathematics