Find the constant of proportionality for the stated conditions: y is directly proportional to x, and  when .
?

A. ?
B.
C. ?
D. ?
E. ?

Answer: B

Mathematics

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Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.49k2 + 56k + 16 = 0

A. (49k - 4) = 0 B. Cannot be solved by factoring C. (7k + 4)(7k - 4) = 0 D. (7k + 4)2 = 0

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Mathematics

Translate the phrase to an algebraic expression. Use "x" to represent "a number". A number subtracted from - 

A. -  - x
B. x -  
C.   - x
D. x - 

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Mathematics

Find an nth degree polynomial function with real coefficients satisfying the given conditions.n = 4; 2i, 4, and -4 are zeros; leading coefficient is 1

A. f(x) = x4 + 4x3 - 12x2 - 64 B. f(x) = x4 + 4x2 - 4x - 64 C. f(x) = x4 + 4x2 - 64 D. f(x) = x4 - 12x2 - 64

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Mathematics

Find a symbolic representation for f-1(x).f(x) = x3 - 3

A. Not a one-to-one function
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) =  + 3

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Mathematics