Find the dot product v ? w.v = 10i + 9j,
w = -4i - 8j
A. -40
B. -72
C. -112
D. 32
Answer: C
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Mathematics
Solve the equation by factoring.4x2 - 100 = 0
A. 5
B. 
C. ±20
D. ±5
Mathematics
Write the improper fraction as a mixed or whole number.
A. 106
B. 15
C. 104
D. 
Mathematics