Can you solve the theee problems for me? If so thank you

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.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?