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. 
Mathematics
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