Odpowiedź:
f(x) = - 3x + 7
f(- 2) = - 3 * (- 2) + 7 = 6 + 7 = 13
f(4) = - 3 * 4 - 7 = - 12 + 7 = - 5
2 * f(- 2) + 3 * f(4) = 2 * 13 + 3 * (- 5) = 26 - 15 = 11
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Odpowiedź:
f(x) = - 3x + 7
f(- 2) = - 3 * (- 2) + 7 = 6 + 7 = 13
f(4) = - 3 * 4 - 7 = - 12 + 7 = - 5
2 * f(- 2) + 3 * f(4) = 2 * 13 + 3 * (- 5) = 26 - 15 = 11