SOLUTION: The relationships in the tables below are functions. Write a function rule for each table. x y 1 20 2 16 3 12 4 8

Question 344623: The relationships in the tables below are functions. Write a function rule for each table.
x y
1 20
2 16
3 12
4 8
Answer by Jk22(389) (Show Source): You can put this solution on YOUR website!
x y
1 20
2 16
3 12
4 8

at each step +1 for x, we notice a step -4 for y, hence we could write :

y(x)=20-4*(x-1)

for x=1, we have y=20-0=20
x=2 : y=20-4=16
x=3 : y=20-8=12
x=4 : y=20-4*3=20-12=8
RELATED QUESTIONS
WRITE A FUNTION RULE FOR THE DATA IN THE TABLE. INPUT X-0 1 2 3 4 OUTPUT Y-0 4 8 12 (answered by stanbon)

Patterns and functions write a function for each rule X. Y. (answered by stanbon)

what is the function rule for the graph: x y 1 20 (answered by jim_thompson5910)

write a function rule for the table x / y -1 / 10 1 / 4 (answered by Mathtut)

Write a rule for the function represented by the following table. Please show work. x... (answered by stanbon)

2) Determine whether the function rule models discrete or continuous data. A produce... (answered by jim_thompson5910)

Regarding functions and their graphs: Guess a formula for the function represented by... (answered by Edwin McCravy)

Will someone pls. help me complete this problem There are many relationships that have a (answered by Boreal)

Explain how to write a function rule from the table below. Then write a function.... (answered by Edwin McCravy)