in 1975 a four function calculator cost $125. In 1995 a 4 function calculator cost $5. Find the
rate of change in cost of a calculator in dollars per year.
HELP ASAP

Respuesta :

Answer:

it's -6 dollars per year.

Step-by-step explanation:

the expression would be (5-125)/(1995-1975) which would give you the average rate of change.