Graph the ellipse.4(x + 1)2 + 9(y - 2)2 = 36 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use an increment of 0.2 to estimate the value of 
at 
if 
varid="variable_id_field" variablename="impvar_2c8d67e32c184e5892c7207f0" />. ? A. 0 B. 4.92 C. 24.6 D. None of the above
Mathematics
Solve.The inmedance Z in an alternating current circuit (like the one used in your home and in your classroom) is given by the formula Z = 
, where V is the voltage and I is the current. Find the value of Z if 
and 
A. 
+ 3i
B. -3 + 
i
C. 3 - 
i
D. - 
- 3i
Mathematics
Evaluate the expression.
+ 
? 
A. 
B. 
C. 
D. 
Mathematics
Graph the linear function and give the domain and the range. If the function is a constant function, identify it as such.f(x) = 
x
A. D = (-?, ?), R = (-?, ?)
B. D = (-?, ?), R = (-?, ?)
C. D = (-?, ?), R = (-?, ?)
D. D = (-?, ?), R = (-?, ?)
Mathematics