Question

si f(2x-5)= √2x+1 + √x+5 , hallar f(3)

Answer 1

2x-5=3
2x=8
x=4

f(3)=√2(4)+1 + √4+5
     =√9 + √9
     = 3 + 3
     = 6

Answer 2

Primero hallar la función de x:
2x - 5 = 3 
x = 4
f(x) = (√2(4) + 1) + (√4+5)
f(x) = √9 + √9
f(x) = 3 + 3
f(x) = 9
RPTA: 9 <3