Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

MEDAL!! Perform the requested operation or operations.

OpenStudy (anonymous):

@gane

OpenStudy (anonymous):

@ganeshie8

ganeshie8 (ganeshie8):

\(\large \color{red}{f(x) = \dfrac{x-8}{7}}\) \(\large \color{black}{g(x) = 7x + 8}\)

ganeshie8 (ganeshie8):

\(\large g(\color{red}{f(x)}) = g\left(\color{red}{\dfrac{x-8}{7}}\right)\) \(\large = 7\left(\color{red}{\dfrac{x-8}{7}}\right) + 8 \)

ganeshie8 (ganeshie8):

simplify

OpenStudy (anonymous):

x+16?

ganeshie8 (ganeshie8):

\(\large g(\color{red}{f(x)}) = g\left(\color{red}{\dfrac{x-8}{7}}\right)\) \(\large = 7\left(\color{red}{\dfrac{x-8}{7}}\right) + 8 \) \(\large = \color{red}{x-8} + 8 \) \(\large = \color{red}{x} \)

OpenStudy (anonymous):

no!! 7x+48

OpenStudy (anonymous):

i forgot to simplify the bottom

OpenStudy (anonymous):

right?

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

ohhhhh

OpenStudy (anonymous):

wow i was off thanks!

ganeshie8 (ganeshie8):

hhaa np:) btw the two functions f and g are inverses of each other, thats the reason u got back ur x...

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!
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!