Can someone Solve this please !
2 answers:
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Replace f(x) with y
switch x and y
solve for y
replace y with f^-1
so
y=7x+2
x=7y+2
x-2=7y
(x-2)/7=y
f^-1=(x-2)/7
inverse is
switch x and y
solve for y
replace y with f^-1
so
y=7x+2
x=7y+2
x-2=7y
(x-2)/7=y
f^-1=(x-2)/7
inverse is