Question

Tim has developed a money saving strategy that uses the formula S=450+100r.

a. Give a possible interpretation of Tim's strategy.

b. What do the slope and S-intercept of the graph of the relation represent, base on the interpretation from part a.?

c. If Tim plans to stop his savings once he has accumulated $1250, what are the domain and range of this relation.

Answer 1

A) For 100R, that might mean every week, he is putting 100 dollars away for an interpretation.
B) The Slope represents the time it takes to make 100 dollars, and S represents the total amount of money Tim has.
C) If Tim got to 1250 dollars, it would be 8 for R. So 8 would be the domain and 1250 for the range.

Answer 2

Explanation:

Given that Tim has developed a money saving strategy that uses the formula S=450+100r.

a) 450 will be savings always and for every r an additional 100 would be saved

b) Slope = 100 represents the increase of S for a unit increase of 1.

S intercept = 450 is the savings even when r=0

c) Since max savings is 1250 and min is 450

Range = (450,1250)

For 450 range, domain r =0 and for range 1250, domain r = 8

Domain =(0,8)