Answer:
Domain is all positive real numbers. Range is all real positive numbers.
Step-by-step explanation:
When dealing with real life, negative and imaginary numbers are not a possible answer.
Answer:
1.5 if you Evaluate and in fraction form 
Answer:
224
Step-by-step explanation:
7x^2y, when x = 4 and y = 2
Plug in
7x^2y = 7 (4)^2 (2)
=7 * 16 * 2
= 224
Answer:
Not true
(x/w)^2 > z
Step-by-step explanation:
(x/w)^2 will be less than 1
z is greater than 1
so (x/w)^2 < z
