Homework/quiz
Answer rating (rated one time)
Step-by-step problem
body preview (3 words)
xx xx agreed
file1.docx preview (209 words)
Problem:
xxx xxx buying xxxxxx for xxxx living room. The original carpet xx square-shaped xxxxxxx xxx width xxx the same denoted as x). But xxx carpet xxxxxxx xxx xxxx xx xxx living room, so xxx needed xx cut x feet xx xxxxxx in width, xx xxxx xxx the xxxxx is 1 xxxx smaller than xxxx xxxxxxx The xxxx of the carpet is 90 ft2. What xx the width and the heigth of xxx xxxxxxx
x
x - 1
Solution
xx xxx xxxxxxx widtha xxx height of the xxxxxx xxxx marked xx xx xxx new xxxxx is now x – 1, xxxxx xx xxxx cut 1 feet xxx xxx xxxxxx xxx height remains xxx xxxx and it is xx
xx xxxx xxxx the xxxx of xxx carpet xx 90 ft2. xxxxx the formula xxx area of xxxxxxxxxx
we xxxxx
We xxxx xxxxx multiply the brackets:
and xxxx xxxxxxxx the term xx to xxx xxxx side of xxxxxxxxx
In this xxxx xx can solve xxx xxxxxxxx for x xxxxx the quadratic xxxxxxx ():
xx got 2 solutions xxx xx xx xxx -9. xxxxx the dimensions of the carpet only xxxx xxxxxxxx values, we xxxxxxxx that xxx only
- - - more text follows - - -
file2.docx preview (220 words)
xxxxxxxx company xxxxxx
Application: Some xxxxxxx has xxxxxx that xxxx xxxxxxx xxxx years xxx xxx be modeled xx x xxxxxxxxx function. xx these are xxx values of income xxxxxx
xxxxxxxxxx | Income xxx xxxxxxxxx |
xxxx | 1.0 |
2008 | xxx |
xxxx | 1.6 |
2010 | 2.6 |
xxxx | xxx |
xxxx | xxx |
xxxx the xxxxxxxx of parabola xxxx models xxx data xxx predict the income in xxx year 2013.
Math concept xx xxxx week xxxxxxxx with xxxxxxxxx Functions Step-by-Step Solution:
This is the scatterplot of the data.
xxx xxxxxx point xx the data xx (2007, xxxxx xxxxx this xx xxx first year the company started with business, we xxx assume xxxx xxxx xxxxx xx xxxxxxx xx xxx parabola xxxx xxxxxx xxx data xx x = a(x – xxxxxx x 1.0
Now xx xxxx xx determine xxx xxxxx xx a and we xxxx xx xx by xxxxx xxx error. Since xxxx xxxxxxxx opens upwards, we xxxx check xxxx xxxxxx xx a > 0 and since xx xxxxx xxxxx xx xxxx check xxx x < xx We xxxx xxxx x graph of xxxxxxxx x = xxx – xxxxxx x 1.0 xxx x x xxx xxxxxx line), a x 0.2
- - - more text follows - - -
Try it before you buy it |
Answer rating (rated one time)
1 assignment
Answer rating (rated one time)
1 assignment
Answer rating (rated one time)
1 assignment
Answer rating (rated one time)