Provide an appropriate response.Use the Intermediate Value Theorem to prove that 2x3 - 7x2 - 9x + 4 = 0 has a solution between 4 and 5.
What will be an ideal response?
Let f(x) = 2x3 - 7x2 - 9x + 4 and let y0 = 0. f(4) = -16 and f(5) = 34. Since f is continuous on 
and since y0 = 0 is between f(4) and f(5), by the Intermediate Value Theorem, there exists a c in the interval (4 , 5) with the property that f(c) = 0. Such a c is a solution to the equation 
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A patient's forearm is x-rayed from a distance (FFD) of 45cm with the current level set at 100mA. If a second x-ray is to be taken using the same time exposure as the first but with the current level set at 50mA, what distance should be used?
A. 32cm B. 23cm C. 90cm D. 15cm
Perform the indicated operations.0 - (-8.58)
A. 8.58 B. 0 C. -8.58 D. 8
Which of the following IS NOT a characteristic a core competency must satisfy in order to be a competitive advantage?
A. valuable B. rare C. costly D. non-substitutable
Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = 
, B = - 
B. A = 
, B = 
C. A = - 
, B = - 
D. A = - 
, B = 