Question

rezolvati in R ecuatia f (x)=2√5x

Answer 1

Dai valori lui x 
x= 1 
f(1)=2√5 ×1 = 2√5
f(2 )= 2√5 ×2= 4√5
 Sper ca te-am ajutat!

Answer 2

f(x)=5
f(5)=2√5*5
2√25
2*5=10
S={10}