Using the given real number, mark the point it determines on the unit circle.- 
y 
A. y 
B. y 
C. y 
D. y 
Answer: C
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Graph the equation. Include the coordinates of any local and absolute extreme points and inflection points.y = x + cos 2x, 0 ? x ? ?
A. local minimum: (1.444, -0.246)
local maximum: (0.126, 1.031)
inflection points: (0.785, 0.393), (2.356, 1.178)
B. local minimum: 
local maximum: 
inflection point: 
C. no local extrema
inflection point: 
D. local minimum: 
local maximum: 
inflection points: 
, 
Simplify the algebraic expression.5x - 3y - 9x + 9y
A. 6x - 4y B. 2xy C. -4x + 6y D. 5x - 9x - 3y + 9y
Simplify.|11|
A. 0 B. 11 C. 22 D. -11
Find the maximum and minimum values of the objective function f subject to the stated constraints.f = 2x + 5y, subject to3x + 2y ? 6,-2x + 4y ? 8,x ? 0,y ? 0.
A. Maximum: 13
; Minimum: 0
B. Maximum: 12
; Minimum: 0
C. Maximum: 10; Minimum: 0
D. Maximum: 12
; Minimum: 4