Question

se considera functia f:R-R,f(x)=x+5 a).determinati numarul real m daca f(3)=2m b).reprezentati grafica functia f intr-un sistem de axe ortogonale

Answer 1

f(3)=3+5⇒f(3)=8

f(3)=2m⇒8=2m⇒m=4

Answer 2

a) f(3) = 3+5 = 8
f(3) = 2m
2m = 8
m= 8 ÷ 2
m= 4