Answer:
[tex]\sf h(5a) = 25a^2+2[/tex]
given:
[tex]\sf h(x) = x^2+2[/tex]
solve:
In order to find h(5a), we have to replace 5a with x
[tex]\hookrightarrow \sf h(5a) = (5a)^2+2[/tex]
[tex]\hookrightarrow \sf h(5a) = (5a)(5a)+2[/tex]
[tex]\hookrightarrow \sf h(5a) = 25a^2+2[/tex]
