exam Maths Puzzle Numerical Ability

1/z + z/9z+81 - 9/z^2+9z

Read Solution (Total 0)

exam Other Question

^ The subject is NATURAL logarithms.
I need help solving this equation:

ln x - ln 5= -1 The amount of time it takes to clean a restaurent is given by f(c)=10+2c where c is the number if customers they had. what is the range of this function?