Step-by-step explanation:
If [tex]\tt{ f(x)=x^2+5 }[/tex] ⠀
Then,
[tex]\tt{f(-3)=(-3)^2+5 }[/tex] ⠀
[tex]\tt{f(-3)=9+5 }[/tex] ⠀
[tex]\tt{f(-3)=15 }[/tex] ⠀
