Provide an appropriate response.Is it true that fxy(a, b) = fyx(a, b) for every function?
A. Yes
B. No
Answer: B
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A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain. We measure his location as distance up from the base of the mountain. What can be said about the man's velocity when he is hiking down the mountain?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Integrate the given expression.
dt
A. 6t3 - 5t2 + 4t + C
B. 12t3 - 5t2 + 4t + C
C. 24t - 5 + C
D. 4t3 - 
t2 + 4t + C
Identify the row operation that produces the resulting matrix.
? 
A. (-1)R2 ? R2 B. R1 + (-1)R2 ? R2 C. (-1)R1 + R2 ? R2 D. R1 + (-1)R2 ? R1
Write an equivalent expression by factoring out a factor with a negative coefficient.-5x2 - 10x + 60
A. 5(x2 - 2x + 12) B. -5(x2 - 2x + 12) C. -5(x2 + 2x - 12) D. 5(-x2 - 2x + 12)