Answer:
Describes it:
graph opens up
range y>=0
vertex at (0,0)
increasing (0,infinity)
Doesn't:
symmetric to x-axis
domain x>=0
17. +5-2-1=+2
18. -7-6-2=15
19. +11-9-4=-2
20.+4-8+6=+2
y= t +5
Step-by-step explanation:
