Given the graph of f, find any values of x at which f ' is not defined.
A. x = 2
B. x = 1, 2, 3
C. x = 1, 3
D. Defined for all values of x
Answer: D
Mathematics
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Solve the equation by completing the square.4z2 = 
z + 4
A. 
B. 
C. 
D. 
Mathematics
Write in terms of i.
A. 4i
B. -4i
C. 4
D. -4
Mathematics
Solve the problem.Find the effective rate if the nominal rate is 10.0% and interest is compounded monthly. (If r is the nominal rate and n is the number of times interest is compounded annually, then R = 
n - 1 is the effective rate.) Round to the nearest hundredth of a percent.
A. R = 10.72% B. R = 10.97% C. R = 10.22% D. R = 10.47%
Mathematics
Solve the equation.
= 
- 
A. {9, 18} B. {18} C. {9} D. no solution
Mathematics