Use a scientific calculator to approximate the common logarithm. Round to four decimal places.log 202
A. 2.3075
B. 5.3083
C. 2.3032
D. 2.3054
Answer: D
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Solve the problem.Let f(x,y) = ln (x2 + y2). Which one of the following curves is a simple closed path in the domain of the function f?
A. The unit circle x2 + y2 = 1
B. The ellipse 
+ 
= 1
C. The rectangle with vertices at (-3, 2), (3, 2), (3, -2), and (-3, -2)
D. The unit circle (x - 5)2 + y2 = 1
Find parametric equations for the line described below.The line through the point P(3, 5, 1) and parallel to the line x = 4t + 1, 
A. x = 4t + 3, y = 3t + 5, z = 4t + 1 B. x = 4t - 3, y =3t - 5, z = 4t - 1 C. x = 3, y = 4t + 5, z = -3t + 1 D. x = 3t + 3, y = -4t, z = 1
Write a formula for the nth term of the arithmetic sequence. Do not use a recursion formula.2, -3, -8, -13, -18, . . .
A. an = -5n - 7 B. an = -12 - 5n C. an = -5n + 7 D. an = 5n - 7
Answer the question.List all numbers that must be rejected as possible solutions.
+ 
= 
A. 
, 
B. 0, 
, 
C. 0, 
, 
, 17
D. 
, 
, -17