Lesson 7: Exploring Functions Unit Test Unit 4: Exploring Functions Question 16. Help!

Question

Explain how to write a function rule from the table below. Then write a function rule.
X 2, 4, 6,
Y 1, 0, -1,

Answer 1

slope is (0-1)/(4-2) = -1/2
y = -1/2 x + 2