### graphing, logarithms, etc.

1). Without using a graph utility, sketch the graph of f(x) =3^x-5 2) A certain population grows according to the equation Y=40e^0.025t. Find the initial population (to the nearest integer) when t=50. 3) Write in exponential from: logb 37=2. 4) Write as sum, difference, or multiple of logarithms: in 5x/3â??X^2+1