Find the equation of the curve described by the given information.Parabola: vertex 
, focus 
A. 
2 = 8
B. 
2 = 8
C. 
2 = 8
D. 
2 = 8
Answer: C
Mathematics
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Perform the operations indicated. Write your answer in simplest form.
A. -6 B. 6 C. Undefined D. 0
Mathematics
Use special right triangles to evaluate the expression.tan 60°
A. 
B. 2
C. 
D. 
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 16 - x2; g(x) = 4 - xFind f + g.
A. (f + g)(x) = 4 + x; (-?, -4) ? (-4, ?) B. (f + g)(x) = x3 - 4x2 - 16x + 64; (-?, ?) C. (f + g)(x) = -x2 + x + 12; (-?, ?) D. (f + g)(x) = -x2 - x + 20; (-?, ?)
Mathematics
Perform the indicated operations and write the result in standard form.(2 + 3i)(4 - i) - (1 - i)(1 + i)
A. 11 + 10i B. 9 + 10i C. 13 + 10i D. 9 + 14i
Mathematics