Trig Ratios with Radicals

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

The table represents a linear function. what is the slope of the function? –6 –4 4 6

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?