Step-by-step explanation:
1.

2.

Welcome
Answer:
the domain is the set of all x coordinations and the range is the set of all y coordinates. therefore, the answer is C.
Answer:
Can you take a better picture
Step-by-step explanation:
Answer:
The heat is produced by a 150-W light bulb that is on for 20-hours is 10200 BTU.
Step-by-step explanation:
To find : How much heat (Btu) is produced by a 150-W light bulb that is on for 20-hours?
Solution :
A 150-W light bulb is on for 20-hours.
The heat produced by bulb is given by,


We know that,

Converting W-hr into BTU,


Therefore, The heat is produced by a 150-W light bulb that is on for 20-hours is 10200 BTU.