Find all values that make the expression undefined.
A. 0
B. 3, -3
C. Never undefined
D. -3
Answer: C
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Add.26 + 14
A. 12 B. 39 C. 41 D. 40
Find the exact value. Do not use a calculator.sec 
A. 
B. 
C. 
D. -
Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) = 
A. Approaches -? from the left, approaches ? from the right B. Approaches ? from the left and the right C. Approaches ? from the left, approaches -? from the right D. Approaches -? from the left and the right
Begin by drawing a rough sketch to determine the number of real solutions for the equation y1 = y2. Then use an analytic method to confirm your answer. Give the solution set and any extraneous values that may occur.y1 = 
y2 = 3
A. 
Two real solutions; 
; no extraneous values
B. 
No real solutions; ?; no extraneous values
C. 
One real solution; 
; 
is extraneous.
D. 
One real solution; {9}; no extraneous values