21- You swam at a rate of 3/8 mile per hour in March. You swam at a rate of 3/7 mile per hour in April. How much faster did you swim in April?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9

Draw a graph y=f(x) that matches the following characteristics. increasing on: -8< x< -4 and-1< x< 5. decreasing on : -4< x< -1. f(-8)=-5 and zeros at x=-6,-2,and 3. absolute maximum of 7 and absolute minimum of -5.