Evaluate the given function.f(x) =
x, f(2)
A.
B. 9
C.
D.
Answer: C
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Solve the problem.In 1838, the German mathematician and astronomer Friedrich Wilhelm Bessel was the first person to calculate the distance to a star other than the Sun. He accomplished this by first determining the parallax of the star, 61 Cygni, at 0.314 arc seconds (Parallax is the change in position of the star measured against background stars as Earth orbits the Sun. See illustration.) If the distance from Earth to the Sun is about 150,000,000 km and ? = 0.314 seconds = minutes =
degreesdetermine the distance d from Earth to 61 Cygni using Bessel's
figures.
What will be an ideal response?
Divide. Write a mixed numeral for the answer.
A. 41
B. 41
C. 42
D. 41
In how many ways can the letters of the word number be arranged? ?
A. 1,440 B. 670 C. 720 D. 2,160 E. none of the above
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 =