Graph the function and give its domain and range.f(x) = 
A. (-?, ?); [1, ?)
B. (-?, ?); [-1, ?)
C. (-?, ?); (1, ?)
D. (-?, ?); (-?, ?)
Answer: D
Mathematics
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Identify the equation as either an identity or not.tan (A + 2?) = -tan A
A. Identity B. Not an identity
Mathematics
Solve for x in the proportion.
= 
A. ?6 B. 3 C. ?3 D. 6
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(3
)(3
)
A. 9y2
B. 9y
C. 9
D. 3y2
Mathematics
Fill in each blank with the appropriate response.The graph of y = -6x2 can be obtained from the graph of y = x2 by vertically stretching by a factor of ___ and reflecting across the __-axis.
A. 6; y B. -6; y C. 6; x D. -6; x
Mathematics