Find the real or imaginary solutions by using the quadratic formula.x2 - 12x + 85 = 0
A. {12 ± 14i}
B. {13, -1}
C. {6 ± 7i}
D. {-6 ± 7i}
Answer: C
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Write the expression in terms of sines and/or cosines, and then simplify.csc ? + tan2 ? csc ?
A. 
B. 
C. 
D. cos ? - sin ?
The graph of a polynomial function 
is given.
?
?
(a) From the graph, find the x-intercept(s).
?
x = __________
?
(b) From the graph, find the y-intercept(s).
?
y = __________
?
(c) From the graph, find the coordinates of all local maxima.
?
(d) From the graph, find the coordinates of all local minima.
What will be an ideal response?
Solve the problem.The monthly total cost of producing clock radios is given by C(x) = 34,000 + 29x, where x is the number of radios produced per month. Find the monthly average cost function.
A. 
(x) = 
B. 
(x) = 
C. 
(x) = x(34,000 + 29x)
D. 
(x) = 
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2