Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (vera_ewing):

Math question

OpenStudy (michele_laino):

we have to establish if does your function has an inverse function, first. Now, I can answer: yes your function has an inverse function. Now we have to compute such inverse function, so I write this: \[\begin{gathered} y = 2\sqrt x + 3 \hfill \\ \sqrt x = \frac{{y - 3}}{2} \hfill \\ \end{gathered} \] please solve with respect to x

OpenStudy (michele_laino):

hint: if I take the square of both sides, I get: \[x = {f^{ - 1}}\left( y \right) = {\left( {\frac{{y - 3}}{2}} \right)^2}\]

OpenStudy (vera_ewing):

x=(y-3)^2/4

OpenStudy (michele_laino):

correct! So, what is the right option?

OpenStudy (vera_ewing):

So it is A??

OpenStudy (michele_laino):

yes! correct!

OpenStudy (vera_ewing):

Thanks, Michele!

OpenStudy (michele_laino):

:)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
16 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
19 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!