(10 pts)  1. Find an equation of the line which is perpendicular to the line 3x - 2y = 6 and which contains the point (3,1).

(10 pts)  2. a. Solve x^4/3 = 16 algebraically (NO CALCULATOR) .
                  b. Factor 12x² + 17x - 40.

(10 pts)  3. a. Find f o g, where f(x) = x^1/2 and g(x) = 9 - x².
                  b. Find its domain.

(10 pts)  4. Solve the equation (2x + 7)^1/2 = x + 2.

(10 pts)  5. Simplify the expressions: a.  3(72)^1/2 x - 2(50)^1/2 x
                                                        b.  (7 ^{- 3/2})(7x ^5/2) / (7x) ^1/2

(10 pts)  6.     (problem not relevant)

(10 pts)  7. Solve x(x - 4) < 5.

(10 pts)  8. Sketch the graph of the function f(x) = | x - 2 | - 1.

(10 pts)  9. A farmer drives a tractor from one town to another, a distance of 120 kilometers. He drives 10 kilometers per hour faster on the return trip, cutting 1 hour off the time. Find how fast he drives each way.

(10 pts) 10. A rectangular garden of width 10 meters and length 15 meters is surrounded by a walkway of width x meters. Describe the perimeter of the walkway in terms of x.