Replace f(x) with y
Y = 2x -5
Swap roles of x
X= 2y-5
5+x =2y
Divide by 2
5+x /2 = y
Replace y with inverse f^-1(x)
Answer= f^-1(x) = 5+x / 2
90-52=38
38=3x-5
3x=43
x=14.3
Answer:
Answer is 1/9
Step-by-step explanation: If you multiply 3 x 3 x 3 = 9 and 1 x 1 x 1 = 1 your answer would be 1/9, always multiply the top numbers together and the bottom together. hope this helped. Tell me if Im wrong.