Which of the graphs below represent y as a function of x?
?
(a)?
(b)?
?
A. only (a)
B. neither (a) nor (b)
C. only (b)
D. both (a) and (b)
Answer: C
Mathematics
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Solve the problem.A rat is placed at random in one of five compartments in a maze. Compartments 1, 2, and 5 have food; so the rat will remain at any of these once reached. If the rat is placed in compartment 3, what is the expected number of times it will be in compartment 4 before it finds food? Round your answer to the nearest hundredth. 12345
A. 1.20 B. 1.37 C. 0.23 D. 0.37
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Graph the function.f(x) = x(x + 2)(x - 1)3
A. 
B. 
C. 
D. 
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Find the integral using an appropriate trigonometric substitution. Select the correct answer.
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Use the slope and y-intercept to graph the linear function.8x + 7y = 0
A. 
B. 
C. 
D. 
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