Factor completely. If the polynomial cannot be factored, say it is prime.x2 - x - 56
A. (x + 1)(x - 56)
B. (x + 7)(x - 8)
C. (x + 8)(x - 7)
D. prime
Answer: B
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Graph the function, then find the extreme values of the function on the interval and indicate where they occur.y = 
- 
on the interval -2 < x < 7
A. Absolute maximum is 4
on the interval [6, 7);
Absolute minimum is -3
on the interval (-2, 3]
B. Absolute maximum is -4
on the interval [6, 7);
Absolute minimum is 4
on the interval (-2, 2]
C. Absolute maximum is 5
on the interval [6, 7);
Absolute minimum is -3
on the interval (-2, 2]
D. Absolute maximum is 4
on the interval [6, 7);
Absolute minimum is -4
on the interval (-2, 2]
Round following numbers as indicated.47.9 (nearest one)
A. 47.9 B. 49 C. 47 D. 48
Find the sum of the geometric series.1 + 
+ 
+ 
+ 
A. 341
B. 
C. 
D. 
Simplify. Leave your answer in exponent form.(4a)2
A. 8a B. 8a2 C. 16a D. 16a2