Solve using the quadratic formula.5x2 + 10x + 2 = 0

A.  ,  
B.  ,  
C.  ,  
D.  ,  

Answer: C

Mathematics

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Sketch the graph of the quadratic function by using translations.f(x) = (x + 1)2 

A.

B.

C.

D.

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Mathematics

For the given functions f and g, find the requested function and state its domain.f(x) = 5x3 + 1; g(x) = 2x2 - 1Find f ? g.

A. (f ? g)(x) = 5x3 + 2x2 - 1; (-?, ?) B. (f ? g)(x) = 10x5 - 5x3 + 2x2 - 1; (-?, ?) C. (f ? g)(x) = 10x6 - 5x3 + 2x2 - 1; (-?, ?) D. (f ? g)(x) = 10x5 - 5x3 + 2x2 - 1; (-?, 0) or (0, ?)

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Mathematics

Simplify.

A. - 
B.
C. 0
D. ± 

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Mathematics

Write the complex number in rectangular form.4(cos (-135°) + i sin (-135°))

A. - - i
B. -2 + 2i
C. -2 - 2i
D. - + i

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Mathematics