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kkcheers16
25.10.2020 •
Mathematics
Inverse with variables x and y
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Ответ:
The answers are B and D
Step-by-step explanation:
To find the inverse of a function, you have to switch the x and y variables. For example:
Find the inverse of y=2x+3
(1) y=2x+3 (rewrite the equation)
(2) x=2y+3 (switch the variables)
(3) 2y=x-3 (step one of solving for y: subtract 3 from both sides)
(4) y=x/2 -1.5 (step two of solving for y: divide 2 from both sides)
Hence, the inverse of y=2x+3 is y=x/2 -1.5
You would do the same process for each of the ones listed in this question.
Ответ:
idk
Step-by-step explanation: go here