Question

Seja a função F:R__R definida por F(x)=x2-7x+9.Determine: F(2) F(3) F(1/2) F(1,5)

Answer 1

Olá Yderlanny

f(x) = x² - 7x + 9

f(2) = 4 - 14 + 9 = -1

f(3) = 9 - 21 + 9 = -3

f(1/2) = 1/4 - 7/2 + 9 = 1/4 - 14/4 + 36/4 = 23/4 

f(3/2) = 9/4 - 21/2 + 9 = 9/4 - 42/4 + 36/4 = 3/4 

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