Graph the parabola.x = y2 - 2y + 1 
A. 
B. 
C. 
D. 
Answer: A
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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 
? 
;
f-1(x): domain 
? 
, range (-?, ?)
C. f(x): domain (-?, -2) ? (-2, ?), range (-?, 0) ? (0, ?);
f-1(x): domain (-?, 0) ? (0, ?), range (-?, -2) ? (-2, ?)
D. f(x): domain 
? 
, range (-?, -2) ? (-2, ?);
f-1(x): domain (-?, -2) ? (-2, ?), domain 
? 
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.
x + 
y = 4
x + 
y = 2
A. 
or 
B. (0, 12)
C. 
D. no solution
Rewrite with rational exponents.
A. m1/4n
B. (mn)1/4
C. 
D. mn1/4
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(6.3), the velocity of the object at time 
A. V(6.3) = 212.9 feet per second B. V(6.3) = 209.6 feet per second C. V(6.3) = 211.6 feet per second D. V(6.3) = 210.9 feet per second