Answer:
[tex]\sf f(-3) = 23[/tex]
given:
[tex]\sf f(x) = 3x^2 -4[/tex]
to find the output, replace x with the given integer.
solve:
[tex]\sf f(-3) = 3(-3)^2 -4[/tex]
[tex]\sf f(-3) = 3(9) -4[/tex]
[tex]\sf f(-3) = 27 -4[/tex]
[tex]\sf f(-3) = 23[/tex]
