Find the x-intercepts and then sketch the graph.f(x) = x2 + 6x - 40 
A. (10, 0), (-4, 0)
B. (-10, 0), (1, 0)
C. (-10, 0), (4, 0)
D. (10, 0), (4, 0)
Answer: C
Mathematics
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Sketch the graph of the quadratic function.f(x) = 2x2 - 8x
A. 
B. 
C. 
D. 
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Decide whether the statement is compound.She was singing a Simon and Garfunkel song.
A. Compound B. Not compound
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Rationalize the denominator.
A. 
B. 8
C. 57
D. 
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The graph of a function of the form y = A cos (Bx - C) + D or y = A sin (Bx + C) + D where B > 0 is given. Determine the equation of the function represented by the graph.Use y = cos x
A. y = 2 cos 
- 2
B. y = 2 cos 
- 2
C. y = 2 cos 
+ 2
D. y = 2 cos 
+ 2
Mathematics