Which function will produce the same graph as the function shown below. (x+1)(x+3)

Find the polynomial by multiplying everything with everything
x *x, x*3, 1*x,1*3

so you have xx +3x +1x +3

combine like terms

xx = x^2, 3x+1x = 4x

so you have x^2 + 4x + 3

Here for a good time of free question

25. 22 + 1 2 25