Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = 2x3 - 7x2 + 4x + 8; -1 and 0
A. f(-1) = -4 and f(0) = 9
B. f(-1) = -5 and f(0) = 8
C. f(-1) = 5 and f(0) = 8
D. f(-1) = 5 and f(0) = -8
Answer: B
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Solve the problem.Cory and Melissa are racing electronic cars around a circular track. They begin at the same time going in the same direction. Cory's car completes a revolution in 45 seconds, while Melissa's car completes a revolution in 40 seconds. How long will it take them before both cars reach the starting point again simultaneously?
A. 720 seconds B. 144 seconds C. 72 seconds D. 360 seconds
Provide an appropriate response.Identify which of the following properties apply to the graph of 
I. The domain is all real numbers except integer multiples of ?. II. The range is [-1, 1] III. The equations of the vertical asymptotes are 
, where n is an odd integer. IV. The function obtains a relative maximum at x = 2n? where n is an integer.
A. I and II B. III and IV C. II and IV D. III only
The circle in the figure has a radius of r and center at C. The distance from A to B is x.
?
?
If 
and 
, find r.
?
Apply the rules regarding the use of significant digits when determining your answer.
?
__________
Fill in the blank(s) with the appropriate word(s).
Solve the equation and check. Give your answer as a mixed number.
What will be an ideal response?