Solve the absolute value equation.|2x + 4| = 8

A. x = 2
B. x = -6
C. x = -6, 2
D. x = -2, 6


Answer: C

Mathematics

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A.

B.

C.

D.

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Provide an appropriate response.A student claims that  always exists, as long as a and b are both positive. Refute this by giving an example of a function for which this is not true.

What will be an ideal response?

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Find the limit. - 5

A. 5 B. -5 C. -1 D. -9

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For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value r(t) = (5 tan t)i - (3 sin t)j + (4 cos2 t)k ; t0 = 

A. x = 5 + 10t, y = - + t, z = 2 + 4t
B. x = 5 + 10t, y = - - t, z = 2 - 4t
C. x = 5 + 10t, y = - - t, z = 4 - 4t
D. x = 10 + 5t, y = - - t, z= -4 + 2t

Mathematics