Suppose the the profit realized by a department store t days after its opening is given by the formula 
What was the average profit per day of the store during the first five days?
A. $218
B. $97.80
C. $225
D. $121
E. none of these
Answer: D
Mathematics
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Solve the quadratic equation by factoring.x(5x + 28) = 12
A. 
B. 
C. 
D. 
Mathematics
Decide whether the expression is or is not an identity.
= 1 - cos x
A. Identity B. Not an identity
Mathematics
Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = - 
, B = - 
, C = 
B. A = 
, B = 
, C = - 
C. A = - 
, B = 
, C = 
D. A = 
, B = - 
, C = 
Mathematics
Multiply and simplify. Assume that all variables represent nonnegative numbers.
(
- 
)
A. 8
B. 6 - 
C. 4
D. 2
- 2
Mathematics