Question: In Exercises 51-54, a. determine the value that the function f approaches as the magnitude of x increases. Is f (x) greater than or less

In Exercises 51-54,
a. determine the value that the function f approaches as the magnitude of x increases. Is f (x) greater than or less than this value when
b. x is positive and large in magnitude and
c. x is negative and large in magnitude?
1. f (x) = 4x - 1 / x
2. f (x) = 2x - 5 / x - 3
3. f (x) = 2x - 1 / x2 + 1
3. f (x) = -3x2 / x2 + 6

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