Provide an appropriate response.Evaluate dy and ?y for y = f(x) = x2 -7x + 5, x = 7, and dx = ?x = 0.5.
A. dy = 3.5; ?y = 3.75
B. dy = 3.75; ?y = 3.5
C. dy = 3.75; ?y = 3.75
D. dy = 3.5; ?y = 3.5
Answer: A
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Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total cost function, C(x), is such that 
Find C(x).
A. C(x) = -0.3x2 + 4x + 8 B. C(x) = 4x + 4 C. C(x) = 3x + 13 D. C(x) = 2x + 8
If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = 
A. x-axis B. origin C. y-axis D. x-axis, y-axis, origin E. none
Solve the rational inequality.
> 
A. (-9, ?) B. (-?, -9) C. (-?, ?) D. ?