Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = cos xy = 2x - x2
A. x = 2.29, y = -0.66 or x = 0.59, y = 0.83
B. x = 2.29, y = 0.83 or x = -2.29, y = -0.66
C. x = 2.29, y = -0.66 or x = -2.29, y = -0.66
D. x = 0.59, y = 0.83
Answer: A
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A. 1380 pushups B. 1350 pushups C. 1305 pushups D. 1320 pushups
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = sin3 x
A. 
sin x - 
sin 3x
B. 
sin x
C. 
sin x + 
sin 2x - 
sin 3x
D. 
sin x + 
sin 2x
Simplify the sum.(3y + 3) + (9y - 7)
A. 12y - 4 B. 12y + 10 C. 16y D. -6y + 10
Solve the equation and express the solution in exact form.log5(log5 x) = 1
A. 
B. 
C. 
D. 