Question

Please help!! I do not understand this!

Answer 1

Answer: C

Explanation:

Replace x with
`-(2)/(3)` and solve.

f(x) = 3x² - 6x - 1

f(
`-(2)/(3)`) = 3(
`-(2)/(3)`)² - 6(
`-(2)/(3)`) - 1

= 3(
`(4)/(9)`) + 4 - 1

=
`(4)/(3)` + 3

=
`(4)/(3)` +
`(9)/(3)`

=
`(13)/(3)`