Write a formula for the nth term of the geometric sequence.4, - 1, 
, - 
, 
, . . .
A. an = 4 
n + 1
B. an = 4 
n - 1
C. an = 4 
n
D. an = 4 
n - 1
Answer: B
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Find the gradient field F of the function f.f(x, y, z) = ln
+ z9
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Solve.A certain store has a fax machine available for use by its customers. The store charges $2.45 to send the first page and $0.45 for each subsequent page. Use an inequality to find the maximum number of pages that can be faxed for $4.70
A. at most 2 pages B. at most 6 pages C. at most 54 pages D. at most 10 pages
Solve the problem.Given below are the winning times for the men's 100 meter Olympic freestyle for various years.
Let W represent the winning time (in seconds) at t years since 1971. Find an equation of a linear model to describe the data.
What will be an ideal response?
Solve the problem.Write the simplified expression for the area of the rectangle.
A. x + 9 B. 2x + 18 C. 2x + 7 D. 2x + 14