Find an equation of the parabola described.Focus at (0, 11); directrix the line y = -11
A. x2 = 44y
B. y2 = 11x
C. y2 = 44x
D. x2 = -44y
Answer: A
Mathematics
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Determine the domain and range of the function. Then graph it.f(x) = -
A. domain = [-3, ?), range = (-?, 0]
B. domain = [0, ?), range = [-3, ?)
C. domain = [3, ?), range = [0, ?)
D. domain = [0, ?), range = [3, ?)
Mathematics
Find the missing number.
? = 
A. -3
B. 
C. - 
D. 3
Mathematics
Subtract and, if possible, simplify.- 
- 
A. - 
B. 
C. 
D. - 
Mathematics
Add or subtract. Simplify by combining like radical terms, if possible.-19
- 11
A. 29
B. -30
C. -8
D. 9
Mathematics