A PDF for a continuous random variable X is given. Use the PDF to find the indicated probability.Find P(X ? 3).f(x) = 
A. 0.0498
B. -0.0498
C. 0.9502
D. -0.9502
Answer: A
Mathematics
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For what values of x does the series converge conditionally?
A. x = 0
B. x = 
C. x = - 
D. None
Mathematics
Find the exact value using a double-angle identity.sin(180°)
A. - 
B. -1
C. 0
D. 1
Mathematics
Find the vertices and foci of the ellipse. Graph the ellipse.
+ 
= 1
A. 
Foci at (-
, 0) and (
, 0)
Vertices at (0, -9), (0, 9)
B. 
Foci at (- 
, 0) and (
, 0)
Vertices at (-9, 0), (9, 0)
C. 
Foci at (0, -9) and (0, 9)
Vertices at (0, -81), (0, 81)
D. 
Foci at (0, - 
) and (0, 
)
Vertices at (0, -9), (0, 9)
Mathematics
Find the domain of the function.f(x) = 
x2
A. x ? 
B. x ? 
C. x ? 3
D. All real numbers
Mathematics