Sketch the graph and show all local extrema and inflection points.y = -x4 + 2x2 - 8
A. Local minima: (-1, 7), (1, 7)
Local maximum: (0, 8)
Inflection point: 
, 
B. Local maxima: (-1, -7), (1, -7)
Local minimum: (0, -8)
Inflection points: 
, 
C. Local maxima: (-1, -7), (1, -7)
Inflection points: 
, 
D. Local maxima: (-1, -7), (1, -7)
Local minimum: (0, -8)
No inflection points
Answer: B
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Find the functions f and g so that F(x) = (f o g) (x).F(x) = 
+ 5
A. f(x) = x + 5, g(x) = 7/x2 B. f(x) = x, g(x) = 7/x + 5 C. f(x) = 7/x2, g(x) = 5 D. f(x) = 1/x, g(x) = 7/x + 5
Find the product.
? 
A. 
B. 
C. 
D. 
Solve the problem.Alla doesn't trust banks, so her savings are hidden under her mattress. Betsy has her savings in an investment at simple interest. In approximately what year did they have the same amount?
A. 1996 B. 1986 C. 1988 D. 1989
List the factors of the number.84
A. 1, 2, 3, 4, 7, 14, 21, 28, 42, 84 B. 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 21, 28, 42, 84 C. 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 D. 1, 2, 3, 4, 6, 7, 12, 14, 21, 42, 84