Solve the equation.5x(x + 7) = (4x - 2)(x + 7)
A. {-7, -2}
B. {7, 2}
C. {2}
D. {-2}
Answer: A
Mathematics
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Multiply. Write the answer in lowest terms.
? 
? 
A. 
B. 
C. 
D. 
Mathematics
Tell whether or not the relation is a function.{(-6,5), (-3,-5), (1,-1), (1,3)}
A. Yes B. No
Mathematics
Find symmetric equations of the normal line to the surface 
at the point 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.A manufacturer uses raw materials to produce p products each day. Suppose that each delivery of a particular material is $d, whereas the storage of that material is x dollars per unit stored per day. (One unit is the amount required to produce one product). How much should be delivered every x days to minimize the average daily cost in the production cycle between deliveries?
What will be an ideal response?
Mathematics