When x increases from a to a + 2, y increases by a difference of 8. For which functions is this statement true?
1 answer:
Answer:
That would be Option C.
Step-by-step explanation:
Lets look at y = 4x + 2:-
Let x = a then y = 4a + 2
Now if x in creases to a +2, y = 4(a +2) + 2 = 4a + 8 + 2
= 4a + 10.
(4a + 10) - (4a + 2) = 8 , so this is the required expression, y = 4x + 2.
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