1. Is the relationship between the two quantities a direct variation? Explain.

2. If the relationship is a direct variation, find the constant of variation and explain what it means in this situation.

3. Write an equation relating the weight x and the cost v

20 points

Volume of cylinder with a radius of 8cm and height of 25 cm

15 points ! ~ see if you know the answer to both you!

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)