Graph the function using the slope and y-intercept.f(x) = 
x - 2
A. m = - 
, y-intercept: (0, -1)
B. m = 
, y-intercept: (0, -2)
C. m = 
, y-intercept: (0, -1)
D. m = - 
, y-intercept: (0, -2)
Answer: B
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Solve the problem.An express and local train leave GraysLake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
A. Express's rate = 25 mph and local's rate = 12.5 mph B. Express's rate = 50 mph and local's rate = 25 mph C. Express's rate = 60 mph and local's rate = 30 mph D. Cannot be determined with information given.
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Write as a percent. Round your answer to the nearest tenth, if necessary.
A. 191.7% B. 19.2% C. 120% D. 159.8%
Graph the list of numbers on the given number line.-4, - 2
, - 4
, 
, 0
A. - 4
- 2
B.
 - 2 | - 4 |
C.
 ? | - 2 | - 4 ? |
D.
- 4 | - 2 ? |  |
