Find an equation for the graph.
A. y = -3 cos (3x)
B. y = -3 cos 
C. y = 3 cos 
D. y = -3 sin (3x)
Answer: B
Mathematics
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Is the function graphed below one-to-one?
A. No B. Yes
Mathematics
Find (P ? Q)(x).P(x) = x + 3; Q(x) = x2 - 5x - 7
A. x3 + 8x2 + 22x + 21 B. x3 - 5x2 - 7x C. x3 - 2x2 - 22x - 21 D. 3x3 + 15x2 - 21x
Mathematics
The weight of an object on Earth is 6 times greater than what it is on the moon. The weight of the astronaut on the Earth is 246. What would the astronaut weigh on the moon?
A. 1,476 B. 41 C. 1,475 D. 42 E. 246
Mathematics
Evaluate the work done between point 1 and point 2 for the conservative field F.F = 4xe2x2-7y2-6z2i - 14ye2x2-7y2-6z2j - 12ze2x2-7y2-6z2k ; P1(0, 0, 0) , P2(1, 1, 1)
A. W = e-11 - 1 B. W = e-11 C. W = 0 D. W = e2 + e-7 + e-6 - 1
Mathematics