Find the LCM of the given polynomials.x - 7, 7 - x
A. x + 7
B. (x - 7)(7 - x)
C. (x - 7) or (7 - x)
D. -1
Answer: C
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 2, e2) for ln(xz)y + 4y3 = 0.
A. - 
B. - 25
C. 
D. 25
Write the expression as the cosine of an angle, knowing that the expression is the right side of the formula for 
with particular values for ? and ?.cos 
cos 
+ sin 
sin 
A. cos 
B. cos 
C. cos 
D. cos 
Solve the problem.On one New Year's day, the price of gasoline in California was $2.21 per gallon. On the same day, the price of gasoline in one region of Mexico was $0.85 per liter. Where was gasoline more expensive on that day? By how much? Give your answer in dollars per gallon.
A. In Mexico gasoline is $1.01 per gallon more expensive than in California. B. In California gasoline is $7.53 per gallon more expensive than in Mexico. C. In California gasoline is $1.99 per gallon more expensive than in Mexico. D. In Mexico gasoline is $0.27 per gallon more expensive than in California.
Evaluate.-43
A. -64 B. -16 C. 64 D. 4