Answer:
79
Step-by-step explanation:
So we have the function:
[tex]g(t)=t^2-2[/tex]
To find g(9), substitute 9 for t. Thus:
[tex]g(9)=9^2-2[/tex]
Square:
[tex]g(9)=81-2[/tex]
Subtract:
[tex]g(9)=79[/tex]
So, our answer is 79.
And we're done!
