For the given rectangular equation, write an equivalent polar equation.xy = 4
A. r = 4 sin ? cos ?
B. r = 
C. r2 = 
D. r2 = 4 sin ? cos ?
Answer: C
Mathematics
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Sketch the graph of the parabola.f(x) = (x + 1)2
A. 
B. 
C. 
D. 
Mathematics
Multiply.6(-1)(-3)(-6)
A. 9 B. 24 C. 108 D. -108
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = - 
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = x2 - 9
A. vertex: (-9, 0)
axis of symmetry: x = -9
B. vertex: (0, 9)
axis of symmetry: x = 0
C. vertex: (0, -9)
axis of symmetry: x = 0
D. vertex: (0, -9)
axis of symmetry: x = 0 
Mathematics