X-time
linear word problems
cost
speedy printing charges $23 for 200 deluxe business cards and $35 for 500 deluxe business
cards. assume that the cost is a linear function of the number of cards printed.
a) find a linear formula for the cost as a function of the number of cards printed.
b) what information does the y-intercept convey?
c) using the function from part a, determine the cost for printing 700 cards.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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?