Respuesta :

Answer:

  • $1 per day

Step-by-step explanation:

Amounts spent on Wednesday and Thursday are $4 and $5.

The rate of change over one day is:

  • (5 - 4)/1 = 1

Tuesday be 0 initially

Wednesday to Thursday is 1 day

The points are (1,4) and (2,5)

So rate of change

  • m=5-4/2-1
  • m=$1