how much air would be needed to fill a soccer ball with a radius of 7 cm? Round to the nearest cubic centimeter

i believe that the answer is

b. y-1=-2(x-4)

hope this !

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