Answer the question.Which one of the equations below matches the graph?
A. y = -2 sin
B. y = -2 sin
C. y = -2 cos
D. y = 2 sin
Answer: A
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Solve the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.A = 28°20'B = 24°10'a = 38.1
A. C = 128°30', b = 63.7, c = 32.9 B. C = 127°30', b = 63.7, c = 32.9 C. C = 128°30', b = 32.9, c = 63.7 D. C = 127°30', b = 32.9, c = 63.7
Solve the problem.The function f computes the annual interest paid on savings of x dollars with an interest rate of 8%. The graph of f and the horizontal line 
are shown in the figure. Determine the x-values that satisfy (i) the equation f(x) = 3.36 and (ii) the equation f(x) > 3.36. Express your answers symbolically. 
A. {x|x = 42}; {x|x > 42} B. {x|x = 42}; {x|x ? 42} C. {x|x < 42}; {x|x > 42} D. {x|x < 42}; {x|x ? 42}
Solve the system of nonlinear equations.x2 + y2 = 56
- y = 0
A. No solution
B. (7, 
), (-7, - 
)
C. (7, 
), (-7, 
)
D. (7, 
)
Find the function value.f(x) = 
; f(3)
A. 
B. 
C. 
D. - 