Charles asked as he makes how many hours they practice during swimming this week he recorded his data in the table below and use the shade columns to calculate three sample means what is the range of values for the the mean

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

The parabola opens: y=√x-4 (principal square root) up down right left

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?