For the given demand function, find the value(s) of x for which total revenue is a maximum.x = D(x) = 900 - 5x
A. 144
B. 180
C. 90
D. 360
Answer: C
Mathematics
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Solve the equation by using the square root property. Simplify all radicals.(3x + 4)2 = 28
A. 
B. 
C. 
D. 
Mathematics
Find the limit algebraically.
A. -6 B. 6 C. Does not exist D. 0
Mathematics
Subtract.81
A. 130 B. 30 C. 42 D. 32
Mathematics
Determine whether the function is even, odd, or neither.f(x) = -3x4 - 7x - 2
A. Odd B. Even C. Neither
Mathematics