Answer:
g(z+2)=(z+7)/(2z+5)
Step-by-step explanation:
g(x)=(x+5)/(2x+1)
Replace x with z+2
g(z+2)=(z+2+5)/(2*(z+2)+1)
Combine like terms
g(z+2)=(z+7)/(2z+4+1)