Question

How do you find 2p(a) + p(a-1) for the function `p(x) = 4x + 1`?

Answer 1

`12a-1`

Explanation:

`p(x)=4x+1`

we want

`2p(a)+p(a-1)`

`=2(4x+1)+4(x-1)+1`

`=8x+2+4x-4+1`

`=12x-1`