Answer the question.Which one of the equations below matches the graph?

A. y = 3 cos(4x)
B. y = -3 sin(4x)
C. y = 3 sin
D. y = 3 cos


Answer: D

Mathematics

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Compute the unit binormal vector and torsion of the curve. r(t) = 

A. B(t) = , ? = 1
B. B(t) = , ? = 0
C. B(t) = , ? = 1
D. B(t) = , ? = 0

Mathematics

Express the number in scientific notation.4,0,000,000,000

A. 4 × 109 B. 4 × 1012 C. 4 × 10-9 D. 4 × 10-12

Mathematics

Solve the initial value problem. = x cos (5x2), y(0) = 9

A. y =  sin(5x2) + 9
B. y = sin (5x2) + 9
C. y =  sin (u)
D. y =  sin(5x2) + 9

Mathematics

Determine whether the points A(-2, 5), B(2, -3), and C(8, -14) lie on a straight line. Answer yes or no.

What will be an ideal response?

Mathematics