Find the common ratio, r, for the given geometric sequence.81, -27, 9, -3, . . .
A. -3
B. 
C. - 
D. - 
Answer: C
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Graph the function.g(x) = 
A. 
B. 
C. 
D. 
Solve. Use ? ? 3.14 and round to the nearest hundredth.A water sprinkler sends water out in a circular pattern. The radius of watering is 8 feet. Determine how large an area is watered.
A. 12.56 ft2 B. 50.24 ft2 C. 200.96 ft2 D. 25.12 ft2
If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 
feet, s = 5 feet, ? = ?
A. 
radians
B. 15 radians
C. 15°
D. 
°
State the domain and range of the one-to-one functions f and f-1.f(x) = 
A. f(x): domain (-?, ?), range (-?, ?);
f-1(x): domain (-?, ?), range (-?, ?)
B. f(x): domain 
? 
, range (-?, 0) ? (0, ?);
f-1(x): range (-?, 0) ? (0, ?), range 
? 
C. f(x): domain 
? 
, range 
? 
;
f-1(x): domain 
? 
, range 
? 
D. f(x): domain 
? 
, range (-?, -2) ? (-2, ?);
f-1(x): domain (-?, -2) ? (-2, ?), range 
? 