Question

The demand for fax machines as part of an electronics business has decreased from 20% in 2005 to 10% in 2010 due to other Internet-based options for the transfer of documents. Assuming that this decrease follows a linear model, what is the model?
y = 0.02x + 0.2
y = -0.02x + 0.2
y = 0.02x – 0.2
y = -0.02x + 0.1

Answer 1

@iGreen

Answer 2

20%=0.2

Answer 3

Well, if it decreases it needs negative slope..which one's have negative slope?

Answer 4

c

Answer 5

No..C's slope is 0.02, that's not negative.

Answer 6

Its D

Answer 7

Or B

Answer 8

Yep

Answer 9

SO it is B

Answer 10

Not sure, but yeah I think so..

Answer 11

ok

Answer 12

You're just guessing and not understanding the problem. Notice, it's in y =mx+b form, where m is the slope, b is the y - intercept. The slope tells you the change in the value, in this case, it's 0.02, which is 2% per year.
Before we continue, can you tell me the points? Because agreeing with someone who might not know the answer is not going to help you nor just guessing is.