The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) =
B. f-1(x) =
C. f-1(x) =
D. f-1(x) =
Answer: B
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Find all the roots of the complex number. Put answers in standard form.Cube roots of -8
A. -2, -1 + j, -1 -
j
B. -2, 1 + j, -1 -
j
C. -2, -1 - j, 1 -
j
D. -2, 1 + j, 1 -
j
Determine whether the argument is valid or invalid.If I hear that poem, it reminds me of my mother. If I get sentimental, then it does not remind me of my mother. I get sentimental. Therefore, I don't hear that poem.
A. Invalid B. Valid
Solve the problem.A manufacturer of custom doors produces y doors per week using x hours of labor per week, where How many hours of labor are required to keep production at 15 doors per week?
A. 12 hr B. 144 hr C. 264 hr D. 352 hr
Write the expression in the standard form a + bi.(9 + 7i)(3 - 4i)
A. -28i2 - 15i + 27 B. 55 - 15i C. -1 + 57i D. 55 + 15i