What is the area and circumfrence of 23.4km

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

What’s the range cuz i can’t find it?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?