Given ~
[tex] \: [/tex]
[tex] \tt \: f(x) = - 3( {x})^{2} + 10x + 13[/tex]
[tex] \: [/tex]
put the value of x = -1 in given function ~
[tex] \: [/tex]
[tex] \tt \: f( - 1) = - 3( - 1)^{2} + 10( - 1) + 13[/tex]
[tex] \: [/tex]
[tex] \tt \: f( - 1) = - 3 - 10 + 13 [/tex]
[tex] \: [/tex]
[tex] \tt \: \tt \: f( - 1) = - 13 + 13[/tex]
[tex] \: [/tex]
[tex] \underline{ \boxed{ \red{ \tt \: f( - 1) = 0}}}{ \green ✓ }[/tex]
[tex] \: [/tex]
hope helps ~
