Solve the problem.In a manufacturing operation, the cost, c, is related to the manufacturing time, t, by the equation c = 
.Find the exact value of c when t = 200. Do not concern yourself with units.
A. 14
B. 200
C. 20
D. 10
Answer: D
Mathematics
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Solve the problem.The sum of twice a number and 15 less than the number is the same as the difference between -23 and the number. What is the number?
A. -3 B. -1 C. -4 D. -2
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Use the method of adding y-coordinates to graph the function.y = 4 cos x + cos 2x
A. 
B. 
C. 
D. 
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Find the zeros of the polynomial function.f(x) = x3 - 10x2 + 25x
A. x = 0, x = -5, x = 5 B. x = 0, x = -5 C. x = 0, x = 5 D. x = 1, x = 5
Mathematics
Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.f(x) = 49x2 + 42x + 5
A. x = - 
, x = 
B. x = - 
, x = - 
C. x = - 
, x = - 
D. x = 
, x = 
Mathematics