The answer is 113.1. Hope this helps
Let y = f(x)
y = ln(3x)
Exchange place with x and y.
x = ln(3y)
Solve for y.
y = (e^x)/3
Replace y with the inverse notation.
f^(-1) x = (e^x)/3
Done.
The answer to this is .5 or 1/2.
Tom bought 768 pounds of candy because 333 + 435 = 768
