Find the domain of x in the expression 
.
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Determine whether the graph of the equation or function has symmetry about the x-axis, the y-axis, and the origin.f(x) = x + 
A. Origin B. y-axis, origin C. y-axis D. No symmetry
Mathematics
Solve the problem.If f(x) = 
and f(-4) = 8, what is the value of A?
A. A = 41 B. A = -41 C. A = 21 D. A = -21
Mathematics
Write the improper fraction as a mixed number or an integer.
A. 3
B. 2
C. 3
D. 4
Mathematics
Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.arctan 14.9
A. 86.16° B. -86.16° C. 64.62° D. 43.08°
Mathematics