Skip to content
Athens Academy Islamabad
Home
Subjects
Free Past Papers
Parents' Corner
About
FAQ
☰
Home
Subjects
Free Past Papers
Parents' Corner
About
FAQ
Home
›
Mathematics
›
Chapter 1
›
Quiz
← Back to chapter
Flashcards →
Q
1
/
22
Score:
0
Mathematics · General · Q1/22
If $f(x)=3x+2$, then $f^{-1}(x)$ is:
A
$3x-2$
B
$\dfrac{x+2}{3}$
C
$\dfrac{1}{3x+2}$
D
$\dfrac{x-2}{3}$
💡
$y=3x+2$ gives $x=(y-2)/3$, then swap. Option A is the reciprocal trap.
Next →
⚠ Report a problem
💬