Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 40 units?
A. $15.00
B. $-10.00
C. $0.75
D. $30.00
Answer: A
Mathematics
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Match the graph to the correct inequality.
A. y ? 3x + 1 B. y ? -3x + 1 C. y ? 3x + 1 D. y ? -3x + 1
Mathematics
Find the equation of the tangent line to the curve when x has the given value.f(x) = x2 + 11x - 15 ; x = 1
A. y = 
+ 
B. y = -39x - 80
C. y = 13x - 16
D. y = - 
+ 
Mathematics
Find the value of x that satisfies the equation.x - 
= 
A. x = 
B. x = 
C. x = 3
D. x = 
Mathematics
Find the range of the quadratic function.f(x) = x2 + 3
A. [-3, ?) B. (-?, 3] C. [3, ?) D. [0, ?)
Mathematics