Factor using the reverse FOIL method.9x2 - 6x - 8
A. (9x + 2)(x - 4)
B. (3x + 2)(3x - 4)
C. (3x - 2)(3x + 4)
D. (9x - 2)(x + 4)
Answer: B
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Write a chain rule formula for the following derivative.
for u = f(p, q); p = g(x, y, z), q = h(x, y, z)
A. 
= 
+ 
+ 
B. 
= 
C. 
= 
+ 
D. 
= 
+ 
Perform the indicated operation.Evaluate 
.
A. 0.01234568 B. 81 C. 243 D. 27
The scores on a 30-point multiple-choice exam are given in the following frequency table:
The median score on the exam is
A. 25. B. 26.5. C. 26. D. 25.5. E. none of these
Determine if the argument is valid or invalid. Give a reason to justify answer.If it rains, then the squirrels hide.The squirrels are hiding. ? It is raining.
A. Invalid by fallacy of the inverse B. Valid by disjunctive syllogism C. Valid by the law of contraposition D. Invalid by fallacy of the converse