Calculate the sales tax for each item. 1. A sweater for $19.99 and a 6% sales tax.
2. A purse for $45.00 and a 5% sales tax.
3. A bicycle for $120.00 and a 7% sales tax.
4. A TV for $3000.00 and a 4% sales tax.
5. A radio for $35.00 and a 6% sales tax.

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]