Question

CALCULE los coeficientes de la función f (x )=ax+b si f ( 0)=3y y f(1 )=4 .

Answer 1

f(x)=ax+b

f(0)=3
f(0)= a(0)+b=3====>b=3

f(1)=4 =a(1)+3=4====>  a+3=4===>a=1

a=1
b=3
f(x)=1x+3=x+3