Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.-7
- 4
A. 27
B. -27
C. -13
D. -11
Answer: B
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Solve the system of equations by the substitution method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent. x - 2y = -1-3x - 1y = 3
A. (-1, 0) B. No solution; inconsistent C. (0, -1) D. (1, -1)
Solve the system of equations by Gaussian elimination.
A. {(4, 3, -1)} B. {(-1, 3, 4)} C. {(-1, 4, 3)} D. ?
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in standard position. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant IV. f(? + ?)
A. 
B. 
C. 
D. 
Solve the problem.A town has a population of 2000 people and is increasing by 9% every year. What will the population be at the end of 8 years?
A. 4344 people B. 3656 people C. 3440 people D. 3985 people