Answer:
B
Step-by-step explanation:
we have to find for what value of x the graph exists.
1) start to see on the left
- the graph ”hasn’t a start“ so it continues to go until -oo
2) notice that the graph stops when x = 0
3) match the two informations
x≤0
247,039 rounded to the nearest thousand becomes
247,000
Half of 38 is 19 so in one hour he can clean 19 windows. Then in 7 hours he can clean 133 windows. please rate me the brainiest!<span />
Answer:
E
Step-by-step explanation:
is the same as 
· 
This can be simplified to 9 ·
And the square root of -1 is i,
so this equals 9i
