If the visible universe began as a single dot and inflated in a very short time then its size as measured from standard candles and red shifts would presumably give us its present size and speed of regression. But its age wouldn't be the same number of years as the number of light years of its size, would it? If it's 13.7 billion light years across that's partly due to inflation. not only expansion. I'm told that if we project the size versus time graph back to a dot at the origin we get the wrong answer for the age of the universe because the expansion isn't the only factor to take account of, is it? Can someone please explain/deny/confirm this.