Simplify. Assume radicands of square roots are positive.
? 
A. 10x
B. 
C. 25x2
D. 5x
Answer: D
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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercepts: (-2, 0) and (3, 0) ,
y-intercept: 
B. x-intercepts: (-2, 0) and (3, 0) ,
y-intercept: (0, 6) ;
C. x-intercepts: (-2, 0) and (3, 0) ,
y-intercept: 
D. x-intercepts: (-2, 0) and (3, 0) ,
y-intercept: (0, -6) ;
Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model 
where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $120? (Round to the nearest minute.)
A. 187 min B. 118 min C. 271 min D. 12 min
Round to the indicated place.The Missouri River is the second longest river in the United States. The Missouri River flows for about 2,317 miles. Round to the nearest ten miles.
A. 3,300 miles B. 2,317 miles C. 2,320 miles D. 2,310 miles
Write the statement using symbols.The sum of 18 and 9 is 27.
A. 18 ? 9 = 162
B. 
= 2
C. 18 + 9 = 27
D. 18 - 9 = 9