Determine whether the sequence is arithmetic.4, 12, 36, 108, 972, ...
A. Arithmetic
B. Not arithmetic
Answer: B
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A set of data items is normally distributed with a mean of 500. Find the data item in this distribution that corresponds to the given z-score.z = 1.5, if the standard deviation is 10.
A. 550 B. 505 C. 510 D. 515
Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - y2 = 14x2 + 2y2 = 14
A. (
, 2), (
, -2), (-
, 2), (-
, -2)
B. (
, 4), (
, -4), (-
, 4), (-
, -4)
C. (
, 2), (
, -2), (-
, 2), (-
, -2)
D. no real solution
(a) find the equilibrium value(s) of the differential equation; (b) access the stability of each equilibrium value; (c) determine the point(s) of inflection; and (d) sketch sample solutions of the differential equation.
Solve the problem.A cable TV company charges $27 for the basic service plus $6 for each movie channel. Let y be the total cost in dollars of subscribing to cable TV, using x movie channels. Find the slope-intercept form of the equation.
A. y = 6x + 27 B. y = 6x - 27 C. y = 27x - 6 D. y = 27x + 6