Use interval notation to express the inequality shown in the graph.
A. [-?, ?]
B. (-?, ?)
C. ?
D. all real numbers
Answer: C
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Solve the problem by integration.Find the moment of inertia with respect to the y-axis of the first quadratic area under the circle 
in terms of its mass m.
A. 18m B. 36m C. 9?m D. 9m
Write the statement as an inequality.z is less than or equal to 1
A. z > 1 B. z < 1 C. z = 1 D. z ? 1
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 13 terms of the geometric sequence: 8, 24, 72, 216, 648, . . . .
A. 6,377,290 B. 6,377,325 C. 6,377,268 D. 6,377,288
Solve the problem.A particle moves every second on the x-axis in one-unit jumps such that its coordinate at any time is 0, 1, 2, or 3. If the particle is at 0 or 3, it does not move. On the other hand, if it is at 1 or 2, it will move to the right with probability 
and to the left with probability 
.(a) Give the stochastic matrix of transitions for this process in standard form.(b) Determine the fundamental matrix F.(c) What is the expected number of times the particle will be at 1 if it starts at 2?(d) What is the expected time before absorption of the particle if it
starts at 2? What will be an ideal response?