Question

determine o valor numerico da função afim f (x)=-3x+4

a) x=1 b) x=0

c) x=1/2 d) x=k+1​

Answer 1

f(x)= -3x +4

f(1)= -3x +4 = -3(1) +4 = -3 +4 = 1

f(0)= -3x +4 = -3(0) +4 = 0 +4 = 4

f(1/2)=-3x +4 =-3(1/2)+4= -3/2 +4= 5/4

f(k+1)=-3x +4=-3(k+1)+4=-3k-3+4=-3k+1