Answer:

Step-by-step explanation:
If there is 1500 cellular phones per 1000 people, then the number of phones per person is:

Now we know that 
Answer:
=x^2 +4x+11
Step-by-step explanation:
f(x) = x^2 + 7,
Replace x with x+2
f(x+2) = (x+2)^2 + 7
= (x+2)(x+2) +7
FOIL
= x^2 +2x+2x+4 +7
Combine like terms
=x^2 +4x+11
<span>(x/2)+8y-15 = (-12/2)+8*3-15 = -6+24-15 = 33</span>
4 + 2h < -3
2h < -7
h < -3.5
x ∈ (-∞, -3.5)