Answer:
F(7)= 462
Step-by-step explanation:
When you input the value 7 in for "t", you get the equation:
F(7)= [tex](3*7)^{2} +(3*7)[/tex]
First solve parentheses:
F(7)= [tex]21^{2} +21[/tex]
Then solve exponents:
F(7)= 441+21
Then add:
F(7)= 462
Hope this helps!:)
