Answer: [tex]g(5z)=75z^2+5[/tex]
Step-by-step explanation:
[tex]g(x)=3x^2+5[/tex]
[tex]g(5z)=3(5z)^2+5\\g(5z)=3(25z^2)+5\\g(5z)=75z^2+5[/tex]
