true because the square root is a number times itself and 4*4 is 16
Answer:
plants getting there food is the basic use of photosynthesis
Step-by-step explanation:
Answer:
None of the listed
Step-by-step explanation:

d(x) = { (x,y): y = sqrt(x) and y >=0 }
since sqrt function requires x to be >=0 so
<u>x >= 0</u>