Question

função f(x)=2-2x sabendo que D(f)={-2,-1,0,1,2,3,4} ??

Answer 1

Oi Keka

f(x) = 2 - 2x

f(-2) = 2 + 4 = 6
f(-1) = 2 + 2 = 4
f(0) = 2
f(1) = 2 - 2 = 0
f(2) = 2 - 4 = -2
f(3) = 2 - 6 = -4
f(4) = 2 - 8 = -6 

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