Find the domain of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
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Solve the system to the nearest 0.1 for each variable by using a graphing calculator.-3.5u + 4.4v = -4.2-4.4u = 2.3v + 3.6
A. u = -0.2; v = -1.1 B. u = -0.4; v = -0.8 C. u = -0.5; v = -0.9 D. u = 0.1; v = -1.3
Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.sin 
cos 
(1 - 2 sin2 x)
A. 
B. 
C. 
D. 
State whether the given relation is a function.Is a function generated in the process of choosing teams from a group of 32 students by counting them off in fours; for example: "1, 2, 3, 4, 1, 2, 3, 4, 1, 2, ..."?
A. Yes B. No
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 18 sec B. 36 sec C. 27 sec D. 9 sec