Haley pays a monthly fee of $20 for her cell phone and then pays 5 cents per minute used. the cost of haley’s cell phone bill can be expressed by the function c(m) = 0.05m + 20, where m is the number of minutes used. what are the domain and range of the function c(m)?  

What is the upper quartile in the box plot?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1