It's a parabola intersecting the x-axis at -1, -4. and the y axis at y=4.
and at x=0 we must have A(0+1)(0+4)=4 thus 4A=4 or A=1
The function is y=(x+1)(x+4)=x^2+5x+4
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?