Question

3. Sarah's parents give her a $100.00 allowance at the

Answer 1

Answer:

See explanation section

Step-by-step explanation:

Requirement A)

According to the graph, whenever Sarah purchased one comic book, she lost $5 from her allowance. Now the allowance remain after purchasing one comic book = ($100 - 5) = $95

Whenever she purchased three comic books, she lost $5 × 3 = $15 from her allowance. Now the allowance remain after purchasing three comic books = ($100 - 15) = $85. In that way, she lost her $50 after purchasing 10 comic books from her allowance. Therefore, the rate of change is $5.

Requirement B)

It represents that she spent $5 on her each comic book. It also represents that her each book decreases her allowance by $5.

Answer 2

Answer:

a) -5

Step-by-step explanation:

a) slope = (90-100)/(2-0) = -5

b) rate of change represents the deduction in amount left when one more book is purchased.. which is the cost of one book