Posted by Kris on .
express y=0.1(1000)^x in the form lg y =mx+c ,where m and c are constants ,and x is a function of x . Determine the constants m and c and the function x .

math 
Steve,
lg y = lg .1 + lg (1000^x) = lg .1 + (lg 1000)x = 1 + 3x