I need help and I don’t understand if u can explain and guide me thru it?

according to egenuity the answer is

step-by-step explanation:

d. 344.22

25/14 or 1.

step-by-step explanation:

the dots mean that it has infinitely more numbers behind it

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2