I think of a number. subtract 2 and my answer is 15​

17

Step-by-step explanation:

15 + 2 is 17

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

b.

step-by-step explanation:

i just know