school
Acemy

Linear Functions

SAT Math· difficulty 4/5

If f(x)=3x+2f(x) = 3x + 2 and f−1(g(x))=xf^{-1}(g(x)) = x, then g(x)=g(x) =

  • A

    x−23\dfrac{x - 2}{3}

  • B

    3x−23x - 2

  • C

    x+23\dfrac{x + 2}{3}

  • D

    3x+23x + 2

    check_circle

Explanation

f−1(g(x))=xf^{-1}(g(x)) = x implies g(x)=f(x)=3x+2g(x) = f(x) = 3x + 2.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forwardPredict my AP score

Related questions

auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn Mode