Write the Word or Phrase That Best Completes Each Statement $$x = 1 , x = 2 , x = 3 , x = 4 , \text { and } x = 5 \text {. }$$

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-a. Given y = 2x, evaluate y for the given values of x. $$x = 1 , x = 2 , x = 3 , x = 4 , \text { and } x = 5 \text {. }$$ b. How does y change when x is doubled?
c. How does y change when x is tripled?
d. Complete the statement. Given y = 2x, when x increases, y
(increases/decreases) proportionally.
e. Complete the statement. Given y = 2x, when x decreases, y
(increases/decreases) proportionally.