The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) = 0?
A. (-100, -60), (70, 100)
B. -60, 70, 100
C. -60
D. (-60, 70)
Answer: B
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Determine whether the given points are on the graph of the equation.y = 2x2 + 1; (2, 8)
A. Yes B. No
Evaluate the expression for the given value of the variable.The winning times (in seconds) in a speed-skating event for men can be represented by the model 
where x represents the year, with x = 0 corresponding to 1920. (For example in 1992, x would be 
What would the winning time in 1969 be according to the model? (Round the answer to the nearest hundredth.)
A. 43.71 seconds B. 42.77 seconds C. 2270.95 seconds D. 41.83 seconds
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Solve the problem.A lawyer charges $276 per hour to take a case. If we let h represent the number of hours she works on the case, build a variable expression for the amount she would charge for the case.
A. 276 ÷ h B. h ÷ 276 C. 276h D. 276 + h