Find f(-2) if
f(x) = x4 + 2x² - 1

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

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Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x