Find the required part of the geometric sequence.Find a formula for the nth term of a geometric sequence with second term -
and fifth term
.
A. an = -
(n - 1)
B. an = -
(n - 1)
C. an = n - 1-
D. an = n - 1
Answer: D
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Find the mean. If necessary, round to one decimal place.15, 10, 4, 9, 4, 4, 5
A. 8.5 B. 6.8 C. 8.8 D. 7.3
Evaluate the sum using the given information.x1 = -5, x2 = 4, x3 = 5, x4 = 3, and?x = 0.1; f(x) = x2
A. 7.5 B. 30 C. 1.1685 D. 5.7
Provide an appropriate response.The three-part inequality a < x ? b means "a is less than x and x is less than or equal to b". Which of these inequalities is not satisfied by any real number x?
A. -8 < x ? -7 B. -2 < x ? 6 C. 0 < x ? 4 D. -5 < x ? -11
Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = 2(x2 + 1)5
A. - , multiplicity 2, touches the x-axis and turns around;
-1, multiplicity 5, crosses the x-axis
B. - , multiplicity 2, touches the x-axis and turns around.
C. - , multiplicity 2, crosses the x-axis.
D. , multiplicity 2, touches the x-axis and turns around;
1, multiplicity 5, crosses the x-axis