help me guys please don't answer nalang po if hindi niyo po alam thankyou:)

Answer:
[tex]a. \: f = kn[/tex]
[tex]b. \: 1500 = k \times 3 \\ \frac{1500}{3} = k \\ 500 = k \\ k = 500[/tex]
[tex]d. \: f = 500n[/tex]
[tex]e. \: f = 500 \times 6 = 3 \: 000 \\ f = 3 \: 000.00[/tex]