Solve the problem.A firm estimates that it will sell N units of a product after spending x dollars on advertising, where N(x) = -x2 + 50x + 8, 0 ? x ? 50, and x is in thousands of dollars. Find the relative extrema of the function.
A. relative minimum at (25, 1883)
B. relative minimum at (25, 633)
C. relative maximum at (25, 633)
D. relative maximum at (25, 1883)
Answer: C
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. 
= - 2; 
= -5
B. 
= - 2; 
= 1
C. 
= 2; 
= 5
D. 
= - 
; 
= 0
Mathematics
Provide an appropriate response.Divide: (a2 + 20a + 100) ÷ (a - 8)
What will be an ideal response?
Mathematics
Evaluate the integral.
dx
A. 
B. 
C. 
D. 
Mathematics
Simplify by removing grouping symbols and combining like terms.2(a + 4b) - [2 - 4(a - b)]
A. 6a + 12b - 2 B. 6a + 4b - 2 C. -2a + 8b - 2 D. -2a + 4b - 2
Mathematics