Find all complex number solutions.x2 = -225
A. ±112.5i
B. -15i
C. ±15i
D. -15
Answer: C
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Provide an appropriate response.Graph f(x) = cos-1 
and g(x) = tan-1 
. Explain why the graph looks like it does.
What will be an ideal response?
The CEO of a tire company has kept records for the profit P when n tires are produced. The rate of change 
is the marginal profit. The graph of marginal profit is shown. If the current rate of production is 180 tires, what effect on profit will an increase in production have?
?
??
A. Profits will be increased. B. Profits will remain the same. C. Profits will be reduced. D. None of the above
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
x2
A. 
B. 
C. 
D. 
Solve.
= 
A. 7 B. 8 C. 64 D. 60