What is the inverse of the logarithmic function f(x)=㏒²x

What is the quotient of -3/8and-1/3?

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers