Solve. Check for extraneous solutions. 
+ 7 = 19
A. {20,738}
B. {-887}
C. {10,369}
D. {25}
Answer: C
Mathematics
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Find the limit.
sec2 x - tan2 y + z
A. 8 B. 7 C. 9 D. 10
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Provide an appropriate response.Use the strategy of writing equations to justify that if y = 2x and z = y + 5, then z is greater than x.
What will be an ideal response?
Mathematics
Find the interval of convergence of the series.
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Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = 
x2 + 
x - 1 
A. 
B. 
C. 
D. 
Mathematics