Question

I Need Help!!
Write a rule for this function

Answer 1

`y =ax+b`

`x = 0 \iff a(0) + b = 3 \implies b = 3`

`x = 1 \iff a(1) + 3 = 5 \implies a = 2\\`

`\implies \bf y = 2x + 3`

___________

`x = 2 \iff 2(2) + 3 = 4 + 3 = 7`

`x = 3 \iff 2(3) + 3 = 6 + 3 = 9`