The proper concentration of Benzalkonium in an eye drop is 1 gram of Benzalkonium Chloride in 750 ml of liquid. How much
Benzalkonium Chloride will a pharmacist need for a 30 ml bottle
of eye drops?

step-by-step explanation:

the answer is 128

the answer is 40.

proof:

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