Graph the parabola.f(x) = -x2 + 2x - 1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Round the number to the place indicated.Round to the nearest thousandth: 1.5742
A. 1.574 B. 1.575 C. 1.57 D. 1.56
Mathematics
Provide an appropriate response.What is the range of the function y = 
x?
A. [0, ?) B. (-?, 0) C. (-?, ?) D. (0, ?)
Mathematics
Write a formula for the nth term of the indicated sequence. Write out the first five terms of the sequence.arithmetic: a = 12, d = 5
A. an = 5n + 12; 12, 17, 22, 27, 32 B. an = 5n + 7; 12,17, 22, 27, 32 C. an = 5n + 12; 17, 22, 27, 32, 37 D. an = 12n + 7; 17, 22, 27, 32, 37
Mathematics
Solve. Give an exact answer unless indicated otherwise.Given that sin 
= 
and cos 
= 
, find tan 
.
A. 
B. 
C. 
D. 
Mathematics