3) If y = 7x, what happens to x when y is increased by 5 times its original value? A) x decreases 5 times its original value B) x increases to 11 5 its original value Eliminate C) x also increases 5 times its original value D) x decrease to 4 5 of its original value
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The answer to this question is C.
Y and X are proportional. If you increase or decrease Y or X, the other variable will respond the same way. When a variable is increased 5 times its original value, the other will also increase 5 times its original value.
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