State the domain of the given function.f(x) = 
A. 
B. 
C. 
D. {x|x is a real number}
Answer: C
Mathematics
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Use a calculator to find: log 121.5 Round to thousandths.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the expression.
2
A. 1
B. 
C. 
D. - 
Mathematics
Provide an appropriate response.If x and y are both replaced by negative numbers, is the value of 
positive or negative?
What will be an ideal response?
Mathematics