Solve the problem.The efficiency e (in percent) of an automobile engine is given by 
where s is the speed 
of the car. Find the average efficiency with respect to the speed for 
to 
A. 32.8%
B. 34.5%
C. 29.8%
D. 64.4%
Answer: C
Mathematics
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Graph the function.f(x) = 4-x
A. 
B. 
C. 
D. 
Mathematics
Translate to an equation and solve. What percent of 741 is 942?Round your answer to the nearest tenth of a percent.
A. 0.1% B. 78.7% C. 1.3% D. 127.1%
Mathematics
Find the vertex.f(x) = (x + 4)2 + 4
A. (0, 4) B. (4, 0) C. (-4, -4) D. (-4, 4)
Mathematics
Provide an appropriate response.True or False. If the graph of y = f(x) is symmetric with respect to the 
then the graph of y = -f(x) is not symmetric with respect to the y-axis.
A. False B. True
Mathematics