Answer:
26.8907563 or if your rounding it then 26.7
Step-by-step explanation:
Have fun but I think it is b and e
Answer:
y=4
Step-by-step explanation:
Read off the graph. The corresponding y-coordinate when the x-coordinate is 7 is 4.
Answer:
Range: (-∞,∞)
Domain: (-∞,∞)
Step-by-step explanation:
Remember that if there are arrows that the function continues.
Answer:
The Video recorders are inferior goods.
Step-by-step explanation:
As 
where;
The price of the recorders films are increasing by a term 1.07 which gives that the Price is increasing by a little. Also adding the Price of video recorder is increasing by a factor 2.1 and the Revenue or income is increasing by a term 5 (Which is high) so, revenue and price are increasing leaving the quality of the voice recorder decreasing by a large margin for maintaining the balance.
As

So, in conclusion the quality decreases and thus the video recorders are inferior goods.