Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.cot 
A. 1 - cot 
B. cot 
C. tan 
D. -cot 
Answer: D
Mathematics
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Solve.log4 (9x - 7) = 1
A. 
B. 2
C. 
D. No solution
Mathematics
Find the area.
A. 38 sq yd B. 43 sq yd C. 80 sq yd D. 54 sq yd
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Graph the function.Use the graph of f(x) = 5x to obtain the graph of g(x) = 5x - 4.
A. 
B. 
C. 
D. 
Mathematics
For problems 1 - 3 find the discriminant and use it to describe the describe any real zeros.
A. 144, two rational zeros
B. 144, two irrational zeros
C. 
, two rational zeros
D. 
, no real zeros
E. None of these
Mathematics