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 quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f(2?)
A. - 
B. - 
C. 
D. 
Answer: D
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Determine whether the sets are equal, equivalent, both, or neither.{brake} and {break}
A. Equivalent B. Both C. Equal D. Neither
Find an equation in point-slope form of the line having the specified slope and containing the point indicated.m = 
, (-6, -2)
A. y - 2 = 
(x - 6)
B. y - 2 = 
(x + 6)
C. y + 2 = 
(x - 6)
D. y + 2 = 
(x + 6)
Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Exponential; a = 
B. Exponential; a = 9
C. Not exponential
D. Exponential; a = 
Use a graphing calculator to graph the equation and identify the x-intercepts. If your answers are not exact, round to the nearest tenth.y = -2.5x2 + 8.9x - 1.5
A. x-intercept: (0, -1.5)
B. x-intercept: (1.8, 6.4)
C. x-intercepts: (0.2, 0) and (3.4, 0)
D. x-intercepts: (-3.7, 0) and (0.2, 0)