Solve the system by elimination.5 x - y = 114x + y = 16
A. (3, 4)
B. (3, 5)
C. (4, 3)
D. No solution
Answer: A
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Use transformations to graph the function.y = sin (?x)
A. 
B. 
C. 
D. 
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = 2x2 - 5x - 12
A. x-intercepts: (-1.5, 0), (4, 0); y-intercept: (0, -12) B. x-intercepts: (-3, 0), (4, 0); y-intercept: (0, -12) C. x-intercepts: (3, 0), (4, 0); y-intercept: (0, 12) D. x-intercepts: (1.5, 0), (-4, 0); y-intercept: (0, -12)
Solve the problem.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 3 years?
A. 2,260,060 B. 1,318,254 C. 1,858,935 D. 3,035,392
For those which are polynomial functions, find the degree, the leading term, and the leading coefficient.f(x) = 3 + 5x - 7x3
A. not a polynomial function B. Degree: 3, leading term: -7, leading coefficient: 3 C. Degree: 3, leading term: -7x3, leading coefficient: -7 D. Degree: 0, leading term: 3, leading coefficient: 3