Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = , R is all real numbers;
f-1(x): D is all real numbers, R =
B. f(x): D = , R =
;
f-1(x): D = , R =
C. f(x): D = , R =
;
f-1(x): D is all real numbers, R =
D. f(x): D = , R =
;
f-1(x): D = , R =
Answer: B
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Perform the indicated operation.
A. -13
B. -23
C. 13
D. -
Find all the roots of the complex number. Put answers in standard form.Fifth roots of 32 (cos 135° + j sin 135°)
A. 2(0.309 + 0.951j), 2(-0.809 -0.588j), 2(-0.809 - 0.588j), , 2
B. 2(0.891 + 0.454j), 2(-0.156 + 0.988j), 2(-0.988 + 0.156j), 2(0.707 - 0.707j)
C. 2(0.454 + 0.891j), 2(-0.988 + 0.156j), 2(-0.156 + 0.988j), , 2(0.707 - 0.707j)
D. 2(-0.707 + 0.707j), 2(-0.891 + 0.454j), 2(-0.156 + 0.988j), , 2(0.454 + 0.891j)
Simplify.
A. x3y7z4
B.
C.
D.
Find the exact value of the expression.cos cos
- sin
sin
A. 0
B. 1
C. -1
D.