Express as a single logarithm and, if possible, simplify.
[ln (y2 - 4) - ln(y + 2)] + ln (y + y)
A. ln (y - 2)2/3(y - y)
B. ln (y - 2)(y - y)
C. ln (y - 2)2/3(y + y)
D. ln (y + 2)2/3(y + y)
Answer: C
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Identify the form of the argument and state whether the argument is valid or invalid.If you read, then you will have a high score.You do not read. Therefore, you will not have a high score.
A. Fallacy of the inverse; invalid B. Law of contraposition; valid C. Law of syllogism; valid D. Fallacy of the converse; invalid
Add.-77 + (-75)
A. -152 B. -2 C. 152 D. 2
Provide an appropriate response.A boat with a speed of 12 mph travels 8 miles downstream in a current of c miles an hour in the same time a boat going the same speed travels 4 miles upstream. Write an equation describing this situation and find the speed of the current.
What will be an ideal response?
Solve the problem.Find the equation of the parabola 
that passes through the points (-2, 4), (0, -4), and (3, 2).
A. y = - 
x2 + 
x - 7
B. y = 
x2 - 
x - 4
C. y = 
x2 - 
x - 
D. y = - 
x2 + 
x - 4