Question

find r^-1 (x)
r(x) = 2/3 (4x -5)
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Answer 1

Answer:

Step-by-step explanation:

Let r(y)=x.

$x=\frac{2}{3}(4y-5)\\\\\frac{3}[2}x=4y-5\\\\\frac{3}{2}x+5=4y\\\\y=\frac{3}{8}x+\frac{5}{4}\\\\r^{-1}(x)=\frac{3}{8}x+\frac{5}{4}$