Evaluate as requested.Given that f(x) = , find f  .

A.
B. - 
C.
D. - 


Answer: B

Mathematics

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Find the solution set for the equation.|n - 7| = |8 - n|

A. {15}
B. {- }
C. {}
D. ?

Mathematics

Factor completely.u2 - 4uv - 21v2

A. (u - 3v)(u + 7v) B. (u - 3v)(u + v) C. (u - v)(u + 7v) D. (u + 3v)(u - 7v)

Mathematics

Provide an appropriate response.If we apply the quadratic formula and find that the value of b2 - 4ac equals zero, what can we conclude?

A. The equation has one rational solution. B. The equation has two rational solutions. C. The equation has one irrational solution. D. The equation has no real solutions.

Mathematics

Solve.(y - 6) - (y + 3) = 8y

A. y = 
B. y = - 
C. y = 
D. y = - 

Mathematics