Quanto vale f(-3)?
Em
f(x-2)=3x-1 ,,,,,,,, se fizermos x=-1 temos
f(-1-2)=3(-1)-1
f(-3)=-3-1
f(-3)=- 4
Resp
f(-3)=-4
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f(x - 2) = 3x - 1
w = x - 2
x = w + 2
f(w + 2) = 3*(w + 2) - 1 = 3w + 6 - 1 = 3w + 5
f(x) = 3x + 5
f(-3) = 3*-3 + 5 = -9 + 5 = -4
pronto
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Verified answer
Em
f(x-2)=3x-1 ,,,,,,,, se fizermos x=-1 temos
f(-1-2)=3(-1)-1
f(-3)=-3-1
f(-3)=- 4
Resp
f(-3)=-4
////////////////
f(x - 2) = 3x - 1
w = x - 2
x = w + 2
f(w + 2) = 3*(w + 2) - 1 = 3w + 6 - 1 = 3w + 5
f(x) = 3x + 5
f(-3) = 3*-3 + 5 = -9 + 5 = -4
pronto