Consider the function f:(−∞,∞)→(−∞,∞) defined by f(x)=x2+ax+1x2−ax+1;0<a<2. which of the following is true ?

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Question

Consider the function $f : (- \infty, \infty) \to (- \infty, \infty)$ defined by $f (x) = \frac{x ^{2} - a x + 1}{x ^{2} + a x + 1}; 0 < a < 2$ . which of the following is true ?

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Scarlett Discussed

Consider the function

f : (- \infty, \infty) \to (- \infty, \infty)

defined by

f (x) = \frac{x ^{2} - a x + 1}{x ^{2} + a x + 1}; 0 < a < 2

. which of the following is true ?

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Question Text

Consider the function

f : (- \infty, \infty) \to (- \infty, \infty)

defined by

f (x) = \frac{x ^{2} - a x + 1}{x ^{2} + a x + 1}; 0 < a < 2

. which of the following is true ?