The cost for a delivery of sandwiches can be modeled as a function of the number of sandwiches ordered. The one time delivery fee is $5.00 and each sandwich costs $2.50.
a. Write a function to describe this scenario.
b. What does the independent variable represent?
c. What does the dependent variable represent?

Evaluate cos2θ for cosθ = square root of 3/2

In one day there are too high tides into low tides and equally spaced intervals the high tide is observed to be 6 feet above the average sea level after six hours passed a low tide occurs at 6 feet below the average sea level in this task you will model this occurrence using a trigonometric function by using x as a measurement of time assume the first high tide occurs at x=0. a. what are the independent and dependent variables? b. determine these key features of the function that models the tide: 1.amplitude 2.period 3.frequency 4.midline 5.vertical shift 6.phase shift c. create a trigonometric function that models the ocean tide for a period of 12 hours. d.what is the height of the tide after 93 hours?

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form