Describe the end behavior of the polynomial function by finding 
f
and 
f(x) = x3 - x4 + 5x2 - 4x + 8
A. ?, ?
B. -?, ?
C. ?, -?
D. -?, -?
Answer: D
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Provide an appropriate response.The set of grades from different classes is recorded. In the first class, the mean is 80 and the standard deviation is 2. In the second class, the mean is 70 and the standard deviation is 5. In the third class, the mean is 72 and the standard deviation is 4. In which class are the grades most dispersed?
A. First class B. Third class C. Second class
Add. Do not use a number line except as a check.-21 + (-25) + (-24) + (-5)
A. -75 B. -33 C. 15 D. 17
Find the product.(9x - 1)(x2 - 7x + 1)
A. 9x3 - 64x2 + 16x - 1 B. 9x3 - 62x2 + 2x - 1 C. 9x3 + 64x2 - 16x + 1 D. 9x3 - 63x2 + 9x + 1
Use the horizontal-line test to determine whether the function is one to one.
A. Yes B. No