Question 387850
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Hi,         
One completes the question(s) by simply substituting the value given for x
k(x) = x + 18
k(0) = 0 + 18 = 18
k(-13) = -13 + 18 = 5
k(-5) = -5 + 18 = 13
k(6) =  6 + 18 = 24
k(b + 19) = (b+19) + 18 = b + 37