Question

01. Dadas as funções abaixo, escreva ao lado de cada uma os coeficientes a, b e c:

a) f(x) = x² - 6x + 8,

a = ____, b = ____ e c = ____.

b) f(x) = x – x² + 6,

a = ____, b = ____ e c = ____.

c) f(x) = x² - 7x + 10,

a = ____, b = ____ e c = ____.

d) f(x) = x² + 9,

a = ____, b = ____ e c = ____.

02. Dada a função f(x) = x² - 5x + 4, determine:

a) f(2)

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b) f(-1)

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c) f(0)

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03. Sendo f(x) = x² - 7x + c, encontre o valor de c para, f(1) = 4.

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04. Dada a função f(x) = x² - 2x + 1, determine x para, f(x) = 0.

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Answer 1

Resposta:

a) 1 - 6. 8

b) -1. 1. 6

c). 1 -7. 10

d) 1. 0. 9

2) a) -2

b) 10

c) 4

3) c= 10

4) x= 1

Explicação passo-a-passo:

a) 1 - 6. 8

b) -1. 1. 6

c). 1 -7. 10

d) 1. 0. 9

2) a) -2

b) 10

c) 4

3) c= 10

4) x= 1