Question

Please help! I have an exam at nine and I don't understand how to solve this..

Answer 1

This is off my study guide. The question asks which of the expressions are correct. I see the answer but I don't know how they got it... I need step by step process to see!!

Answer 2

@Nnesha @Jaynator495 @Abhisar @ganeshie8 i have an exam soom, can you show me these steps to solve this??

Answer 3

f(x) is same as y so we can replace f(x) with y \[\huge\rm \color{reD}{y}=\frac{ 3\color{blue}{x}-4 }{ 5 }\] now to find inverse(f^{-1}(x) ) you should `switch x and y `
\[\huge\rm \color{blue}{x}=\frac{ 3\color{red}{y}-4 }{ 5 }\] now solve for y

Answer 4

multiply by five to get rid of the fraction?

Answer 5

yes right

Answer 6

doing the work one moment

Answer 7

oh so x = 3y - 4 ?

Answer 8

you should multiply both sides
one u do something to the one side you Have to do the same thing to the opposite side

Answer 9

5x = 3y - 4 ?

Answer 10

yes right

Answer 11

add four now ?

Answer 12

5x + 4 = 3y ?

Answer 13

good right

Answer 14

looks good last step!

Answer 15

divide by three ?

Answer 16

that's it!

Answer 17

Thank you so much for your help and time! I really appreciate it.

Answer 18

np :=) good work!

Answer 19

thank you <3