Specify the domain of the function.f(x) = 
A. x ? 1
B. x > 1
C. x ? 1, x ? -1
D. All real numbers
Answer: D
Mathematics
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Find the product and simplify.
? 
A. 3x
B. 
C. 
D. 3x2
Mathematics
Provide an appropriate response.Daniel wanted to convert 0.357 and 1.357 to fractional notation and he wrote 0.357 = 
1.357 = 
Do you agree with either of these answers? If not, where did Daniel go wrong? Explain your thinking and give the correct answers.
What will be an ideal response?
Mathematics
Use an identity to write the expression as a single trigonometric function or as a single number.2 cos2 22.5° - 1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Determine a polynomial that represents the area of the figure.
A. 9t2 + 9t + 9 B. 6t2 + 18t + 6 C. 9t2 + 9 D. 9t2 + 18t + 9
Mathematics