Solve the problem.Let f(x, y) = 5 - 4x2 - 7y3Find 
A. -8x - 4h
B. -8x - 4h2
C. -8x2 - 4h
D. -8x - 4h - 7y3
Answer: A
Mathematics
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(mg, g, or kg)
A. g B. kg C. mg
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Find the inverse of the matrix, if it exists.A = 
A. 
B. 
C. 
D. 
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Round the whole number to the given place.In 2005, the sales of a certain multinational corporation were $45,561,000,000. Round this amount to the nearest billion.
A. $50,000,000,000 B. $46,000,000,000 C. $45,600,000,000 D. $45,000,000,000
Mathematics
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.-12°
A. 168°; -192° B. 168°; -102° C. 348°; -372° D. 348°; -192°
Mathematics