Question

Lenny and Thad spend a certain amount of money from their money box each month to buy comic books.

The table shows the relationship between the amount of money (y) remaining in Lenny's money box and the number of months (x):

Function 1
Number of Months
(x) Amount Remaining (in dollars)
(y)
1 75
2 60
3 45
4 30


The equation shows the relationship between the amount of money (y) remaining in Thad's money box and the number of months (x):

Function 2:
y = −12x + 80

Which statement explains which function shows a greater rate of change?
Function 2 shows a greater rate

Answer 1

@zepdrix

Answer 2

your function 1 is not clear. try to snapshot your ques

Answer 3

i cant XD idk how

Answer 4

if u r using windows laptop there's a snapshot application to snap. or there is a prt scs rq button to snap the page.

Answer 5

Ok, i got it.

Answer 6

what it's saying.

Answer 7

so the function for lanny money is f(x) = -15x+90
and for thad's money is fI(x) = −12x + 80

Answer 8

as you know the slope of lanny money is -15 while that of that's money is -12 and -12 being greater than -15, function 1 that is of lanny shows greater change.