The quarterback should have thrown the ball when the receiver was open about 16 yards down the field. Can you find how far the quarterback would have to throw the ball?

answer: the value of x is 7cm

step-by-step explanation:

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

you have to put the graph on here with the question

step-by-step explanation:

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