Use the graph to answer the question.Goes through (0, -4) and has a local maximum at (1, 1)
A. f(x) = -5x2 + 10x + 4
B. f(x) = -5x2 + 10x - 4
C. f(x) = -5x2 - 2x - 4
D. f(x) = 5x2 - 10x - 4
Answer: B
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Find the exact value by using a half-angle identity.cos - 
A. 
B. 
C. 
D. 
Simplify the complex rational expression using Method 2.
A. 
B. 
C. 
D. 
Sketch the graph of the function. Describe how the graph can be obtained from the graph of a basic exponential function.f(x) = 2 - 5-x
A. Shift y = 5x up 2 unit(s), reflect across
the y-axis, and reflect across the x-axis
B. Shift y = 5x up 2 unit(s), reflect across
the y-axis, and reflect across the x-axis
C. Reflect y = 5x across the y-axis, reflect
across the x-axis and shift up 2 unit(s)
D. Reflect y = 5x across the y-axis, reflect
across the x-axis and down 2 unit(s)
Solve and check your answer.
+ 5 = 13
A. x = 146 B. x = 144 C. x = 64 D. x = 16