Find the exact value of y, or state that y is undefined.y = tan-1 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Determine k so that the line y = kx + 5 is parallel to the line 5x - 4y + 40 = 0.
A. 
B. 5
C. 
D. - 
Mathematics
Find decimal notation.520%
A. 5.21 B. 0.52 C. 5.2 D. 52
Mathematics
Solve the problem.7 times the square root of some number is equal to 21. Find the number.
A. 14 B. 6 C. 3 D. 9
Mathematics
Graph the function.y = log1/4 x
A. 
B. 
C. 
D. 
Mathematics