[tex]f(-1)=0[/tex]
1. Write the expression of the function.
[tex]f(x)=3x^{2} +2x-1[/tex]
2. Substitute the value of x.
[tex]f(-1)=3(-1)^{2} +2(-1)-1[/tex]
3. Calculate and simplify.
[tex]f(-1)=3(1) -2-1\\ \\f(-1)=3 -2-1\\ \\f(-1)=0[/tex]
4. Express your answer.
[tex]f(-1)=0[/tex]
