Simplify. 

A.
B.
C.
D.


Answer: B

Mathematics

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Evaluate the function.given that f(x) = , find f(-k).

A.
B.
C.
D.

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Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.

A. no solution; ?
B.
C.
D. infinitely many solutions; { 2x + y = 6} or { 2x + y = 5}

Mathematics

Solve.If y varies inversely as the square root of x, and y = 20 when  find y when 

A.
B. 45
C.
D.

Mathematics

Tell whether the given number is a solution of the equation. ? ; ?

A. non-quantified solution B. unequal solution C. not a solution D. solution E. none of these

Mathematics