Ответ:
f(2)=-2•(2²)+15•2-13=-8+30-13=9
f(-1)=-2•(-1²)+15•(-1)-13=-2-15-13=-30
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Ответ:
f(2)=-2•(2²)+15•2-13=-8+30-13=9
f(-1)=-2•(-1²)+15•(-1)-13=-2-15-13=-30