Find if .
?

A.
B.
C.
D.
E.


Answer: E

Mathematics

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Solve the equation.4m - 1 + 7(m + 1) = 4m - 1

A.
B.
C.
D.

Mathematics

Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].

A. 14; 150° B. 28; 150° C. 28; 30° D. 14; 330°

Mathematics

Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).4i

A. 4(cos 90° + i sin 90°) B. 4(cos 0° + i sin 0°) C. 4(cos 270° + i sin 270°) D. 4(cos 180° + i sin 180°)

Mathematics

Find the inverse of the function.f(x) = e7x

A. f-1(x) =  ln(x)
B. f-1(x) = 7 ln(x)
C. f-1(x) = -7 ln(x)
D. f-1(x) = ln 

Mathematics