Question

A={1,0,2,3} e B={-9,6,5,0,3,3,5,7,8}

Answer 1

Segundo a lei da função: y = x-2

A {0,1,2,3}

y = x - 2

f(0) = 0 - 2

f(0) = -2

y = x - 2

f(1) = 1 - 2

f(1) = -1

y = x - 2

f(2) = 2 - 2

f(2) = 0

y = x - 2

f(3) = 3 - 2

f(3) = 1