Give the coordinates of the circle's center and its radius.
?
?
A. 
B. ?
C. ?
D. 
E. none of these
Answer: D
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Completely factor the polynomial or state that the polynomial is prime.81x2 - 16
A. (9x - 4)2 B. (9x + 4)(9x - 4) C. (9x + 4)2 D. (81x + 1)(x - 16)
Find the coordinates of all relative and absolute extrema.
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?
A. (-16, 16), (0, 0) B. (-12, -18), (12, 18), (0, 0) C. (0, 0), (12, 18) D. (-12, -18), (12, 18) E. (0, 0)
Use the simple interest formula.Alice invested some money at 16% simple interest. At the end of the year the total amount of her original principal and the interest was $14,848. How much did she originally invest?
A. $12,800 B. $237,568 C. $928 D. $2048
Decide if the given value of x is a critical number for f, and if so, decide whether the point is a relative minimum, relative maximum, or neither.f(x) = (x + 5)4; x = -5
A. Critical number but not an extreme point B. Critical number; relative maximum at (-5, 0) C. Not a critical number D. Critical number; relative minimum at (-5, 0)