Math 28

Question 1:

Which of the following is equivalent to 8y⁴?

Question 2:

In the standard (x, y) coordinate plane, what is the slope of the line joining the points (3, -4) and (7, 1)?

Question 3:

What is 2(45)/17, rounded to the nearest tenth?

Question 4:

A 3-foot tall fire hydrant casts a shadow that is 10 feet long. At the same time of day, a tree casts a shadow that is 40 feet long. How tall is the tree?

Question 5:

What is the solution set of |3x – 2| < 7?

Question 6:

The volume, V, of a right circular cylinder is given by the formula V = (pi)r²h, where r is the radius of the base, and h is the height of the cylinder. If r and h are both doubled, the new cylinder’s volume, V, will be:

Question 7:

The stock value of a certain fast food franchise is worth $430 today. A wall street analyst believes that the stock will gain 26 percent per week for the next 4 weeks. The analyst uses the equation W = 430(g)^t, to model the worth, W, of the franchise stock after t weeks. What is the proper value for g?

Question 8:

[Calculator Allowed] The stock value of a certain fast food franchise is worth $430 today. A wall street analyst believes that the stock will gain 26 percent per week for the next 4 weeks. The analyst uses the equation W = 430(g)^t, to model the worth, W, of the franchise stock after t weeks. To the nearest whole dollar, what does the wall street analyst predict the value of the stock will be at the end of 4 weeks?