Graph the function over a one-period interval.y = - 
cos 4(x-?)
A. 
B. 
C. 
D. 
Answer: B
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For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.(sin x + cos x)2 = 1
What will be an ideal response?
Find the exact value of the expression without using a calculator.sin 
cos 
+ cos 
sin 
A. 1
B. 
C. 
D. 
Find an equation in slope-intercept form (where possible) for the line.Through (3, 0), m = -1
A. y = -3x B. y = x - 3 C. y = 3x D. y = -x + 3
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2
A. log2(x + 4) -log2x B. 7log2x -log2(x + 4) C. log2(x + 4) - 7log2x D. log2(x + 4) + 7log2x