Answer to Question #57114 in Algebra for Oliver Swanick

Question #57114

4: What is the domain for the following function?

Y = 4/x^2 + 1

A: (x ≠ 3)
B: (x ≠ 0)
C: (all real numbers)
D: (x ≠ - 3)

5: What is the range for the following function?

1
y = ------ + 2
x + 3

A: {y: y Σ R, y ≠ 2}
B: {y: y Σ R, y ≠ 3}
C: {y: y Σ R)
D: {y: y Σ R, y ≠ - 2}
If you do not recognize the Σ in this equation that is because it is being used in replace of a similar looking shape, likewise though I doubt it has a big influence on the outcome of the answer.

7: Which function does not have a vertical asymptote.

A: y = 5x – 1/x
B: y = x/1 + x^2
C: y = 5x/1 – x^2
D: y = 5x/x + x^2

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