Answer: [tex]f(3)=\Large\boxed{23}[/tex]
Step-by-step explanation:
Given function expression
[tex]f(x)=x^2+3x+5[/tex]
Requirements of the question
[tex]\text{Find the value of }f(3)[/tex]
Substitute values into the expression
[tex]f(3)=(3)^2+3(3)+5[/tex]
Simplify the exponent
[tex]f(3)=9+3(3)+5[/tex]
Simplify by multiplication
[tex]f(3)=9+9+5[/tex]
Simplify by addition
[tex]f(3)=18+5[/tex]
[tex]f(3)=\Large\boxed{23}[/tex]
Hope this helps!! :)
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