Question

Determine o valor da função afim f (x) = -3x+4 para :
A) x=1;
B) x=1/3;
C)x=0;
D)x=k+1.

Answer 1

A) f(1)= -3.1+4
f(1)= -3+4
f(1)= 1
B) f(1/3)= -3.1/3 +4
f(1/3)= -3/3+4
f(1/3)= -1+4
f(1/3)= 3
C) f(0)= -3.0 + 4
f(0)= 4
D) f(k+1)= -3(k+1) + 4
f(k+1)= -3k -1 + 4
f(k+1)= -3k+3