Compute the value of the given expression.
A. 1
B. 5
C. -1
D. -5
Answer: B
Mathematics
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Find numbers a and b, or k, so that f is continuous at every point.
A. a = 1, b = 2 B. a = -1, b = 2 C. a = 1, b = -2 D. Impossible
Mathematics
Solve the problem.Total profit is defined as total revenue minus total cost. R(x) and C(x) are the total revenue and total cost respectively from the sale of x televisions. If 
and 
find the profit from the sale of 50 televisions.
A. $4750 B. $6250 C. $22,250 D. $20,750
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Use the given matrices to compute the given expression.Let B = 
. Find -2B.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated.
+ 
A. - 
B. 
C. - 
D. 
Mathematics