The figure shows the results of a survey in which auto racing fans listed their favorite type of racing. What is the probability that an auto racing fan selected at random does not list NHRA drag racing as his or her favorite type of racing?
What will be an ideal response?
Mathematics
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Sketch the graph of the function.y = xe-x/2
A. 
B. 
C. 
D. 
Mathematics
Factor and simplify the expression.1 - 2 sin2x + sin4x
A. (1 + tan2x) B. cos4x C. (1 - sin2x) D. sin2x
Mathematics
Solve.Gary has to choose between two calling plans for his local phone service. Plan A charges a monthly fee of $60 regardless of how many local calls are placed. Plan B charges $20 per month plus $0.50 for each local call placed. Graph the system to find the number of calls that would have to be placed for the two plans to charge the same amount.
A. 90 calls B. 80 calls C. 100 calls D. 70 calls
Mathematics
Find a value of c that makes the function continuous at the given value of x. If it is impossible, state this.f(x) = 
; x = 0
A. -1 B. 1 C. Impossible D. 3
Mathematics