This is an linear equation, so
y=mx + b
m= money w=weeks
m= -20w +200
the roots are -1/2 and -5
the smaller root would be -5 since its further away from the 0
Given:
The explicit function is:

To find:
and first 5 terms.
Solution:
The explicit formula a geometric sequence is:
...(i)
Where, a is the first term and r is the common ratio.
We have,
...(ii)
On comparing (i) and (ii), we get


And,

For
,




For
,




Similarly, substituting
, we get



Therefore,
and the first five terms are
.
Hello there, and thank you for posting your question here on brainly.
You can find out how much he ran per minute (or mpm) by dividing 6 by 42.
42 / 6 = 7
He runs a mile every 7 minutes.
Hope this helped!! ☺♥