Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = x2 - 8x - 20
A. Increasing on (-?, 4); decreasing on (4, ?)
B. Increasing on (4, ?); decreasing on (-?, 4)
C. Increasing on (- 4, ?); decreasing on (-?, - 4)
D. Increasing on (-?, - 4); decreasing on (- 4, ?)
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Provide an appropriate response.Simplify this exponential expression: 105
A. 100,000 B. 50 C. 1,000,000 D. 10,000
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a2 + 2ab + b2 ÄÄÄÄÄÄÄÄÄÄÄÄÄ = a + b a. a - b b. 2a + b c. a + 2b d. a + b e. -a - 2b
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Solve.Five divided by the difference of a number and 4 equals the quotient of 10 and the sum of the number and 2. Find the number.
A. 
B. -6
C. 10
D. 
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