Find the coordinates of the vertex of the quadratic function.f(x) = (x + 5)2 + 9
A. (-9, 5)
B. (9, -25)
C. (9, -5)
D. (-5, 9)
Answer: D
Mathematics
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What will be an ideal response?
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A. 
B. 
C. 
D. 
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Find the unknown value.What percent of 900 is 45?
A. 21% B. 5% C. 20% D. 6%
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Factor the trigonometric expression and simplify.sec4x - 2 sec2x tan2x + tan4x
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Mathematics