Given that f (x) = (m-1) x ^ 2 + 2mx + 1 is even function, then f (x) is in the interval (- 5, - 2) A increasing function B decreasing function
Because f (x) = (m-1) x ^ 2 + 2mx + 1 is even function, 2m = 0, M = 0
f(x)=-x^2+1
F (x) is monotonically increasing on the interval (- 5, - 2)
Choose a
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