A department store offers free samples of a 2-ounce container of lotion with every fragrance purchase. Write a rule to describe the number of ounces of product for each purchase. Plot 3 points on the graph to show the pattern. Use the for the total number of ounces and f for the ounces of fragrance.

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x