Find the domain of the expression.
A. 
B. all real numbers
C. 
D. 
Answer: A
Mathematics
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Express the ratio in simplest form.4 yd to 15 ft
A. 
B. 
C. 
D. 
Mathematics
Rewrite the fraction with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given point is in the feasible set of a linear programming problem with constraints. Justify your answer.
(8,3)
What will be an ideal response?
Mathematics
Find the largest open intervals where the function is concave upward.f(x) = 2x - 5e-x
A. (-? , 0 ) B. ( -?, ? ) C. ( 0 , ? ) D. None
Mathematics