Question

I need help with inverses
1.g(x)=2/5(x-1)
2.h(x)=(3x)^2+8

Answer 1

@zepdrix

Answer 2

@Hero

Answer 3

@amistre64

Answer 4

@Luigi0210

Answer 5

@Preetha

Answer 6

g(x) and h(x) is same as y variable
so replace g(x) with y \[\huge\rm \color{ReD}{y}=\frac{ 2 }{ 5 }(\color{blue}{x}-1)\] to find inverse `switch x and y`
\[\huge\rm \color{blue}{x}=\frac{ 2 }{ 5 }(\color{red}{y}-1)\]
now solve the equation for y
same steps for 2nd question