Which of the following lists of ordered pairs is a function? A. (1,2), (1,-2), (3,2), (3,4)
B. (2,4), (0,2), (2,-4), (5,3)
C. (0,2), (2,3), (0,-2), (4,1)
D. (1,6), (2,7), (4,9), (0,5)

For [tex]f(x) = 4x + 1[/tex] and (x) = [tex]g(x)= x^{2} -5,[/tex] find [tex](\frac{g}{f}) (x)[/tex]a. [tex]\frac{x^{2} - 5 }{4x +1 },x[/tex] ≠ [tex]-\frac{1}{4}[/tex]b. x[tex]\frac{4 x +1 }{x^{2} - 5}, x[/tex] ≠ ± [tex]\sqrt[]{5}[/tex]c. [tex]\frac{4x +1}{x^{2} -5}[/tex]d.[tex]\frac{x^{2} -5 }{4x + 1}[/tex]