A manufacturer of shower-surrounds has a revenue function of 
and a cost function of 
, wherexrepresents the number of units produced and sold. Find the number of units
that must be sold to break even.
?
A. 94
B. 20
C. 100
D. 17
E. 13
Answer: C
Mathematics
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Multiply.(5i)(8i)
A. -40 B. 13 C. 40 D. -13
Mathematics
Find values of x and y such that both fx(x,y) = 0 and fy(x,y) = 0.f(x,y) = 12xy - 4x - 4y + 9
A. x = 3, y = 3
B. x = 
, y = 
C. x = -3, y = -3
D. x = - 
, y = - 
Mathematics
Graph the ellipse.5x2 + 25y2 = 225 
A. 
B. 
C. 
D. 
Mathematics
Find the area, if it exists, of the region under the graph of 
and to the right of 
.
?
A. 
B. 
C. 
D. 
E. does not exist
Mathematics