Which of the following are true?
(a) A chord intersects a circle at exactly two points.
(b) A secant line intersects a circle at exactly two points.
(c) A tangent line intersects a circle at exactly one point.
(d) A line through a point of tangency also goes through the center of a circle.
(e) Answers (a )–(c) are all correct.
(f) Answers (a )–(d) are all correct.
e
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = -1
A. 288? B. 144? C. 216? D. 864?
Solve the problem.Evaluate 
at t = 
? for the function w = 
; x = sin t, y = cost, z = t2.
A. 
B. - 
C. - 
D. - 
Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
Write the number as indicated.A planet orbits its sun at a distance of about 96,962,000 miles. Write the number in words.
A. Ninety-six billion, nine hundred sixty-two thousand miles B. Ninety-six million, nine hundred sixty-two thousand miles C. Ninety-six million, nine hundred sixty-two miles D. Ninety-six billion, nine hundred sixty-two million miles