Solve the system of equations using substitution.
A. x = -10, y = 0; x = 6, y = 8
or (-10, 0), (6, 8)
B. x = 0, y = 5; x = 0, y = - 5; x = 8, y = 9
or 
, 
, 
C. x = 10, y = 0; x = -10, y = 0; x = 6, y = 8
or (10, 0), (-10, 0), (6, 8)
D. x = 0, y = 5; x = 8, y = 9
or 
, 
Answer: A
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 2
, y = 2, and x = 0 about the line x = 1
A. 
?
B. 
?
C. 
?
D. 
?
Use a special product formula to simplify.[(m - 9) - n][(m - 9) + n]
A. m2 - 18m + 81 - n2 B. m2 - 18m + 81 + 2mn + 18n - n2 C. m2 + 18m + 81 - n2 D. m2 + 81 - n2
Find an angle between 0° and 360° that is coterminal with the angle. Then write all coterminal angles.524°
A. 344°; 344° + n ? 360°, n any integer B. 154°; 154° + n ? 360°, n any integer C. 262°; 262° + n ? 360°, n any integer D. 164°; 164° + n ? 360°, n any integer
The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 