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- 1 month ago
f(a) = f(-a)

Find the slope between the points (-a , f(-a)) and (a , f(a))

(f(a) - f(-a)) / (a - (-a)) =>

(f(a) - f(a)) / (a + a) =>

0 / (2a) =>

0

As a goes to 0, does the slope between (a , f(-a)) and (a , f(a)) ever change?

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