SOLUTION: suppose that the x-intercepts of the graph of y=f(x) are 8 and 9. what are the x intercepts of y=f(x+6)
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Question 1167469: suppose that the x-intercepts of the graph of y=f(x) are 8 and 9. what are the x intercepts of y=f(x+6)
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
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suppose that the x-intercepts of the graph of y=f(x) are 8 and 9.
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Nonsense. Line in the plane cannot have more than one x-axis intercept. Line cannot have exactly two x-axis intercepts. Only idea is you're trying to describe the whole x-axis; but giving as having two x-axis intercepts is the wrong way to do it.
Answer by ikleyn(52798) (Show Source): You can put this solution on YOUR website!
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The post by @josgarithmetic is INCORRECT.
Simply ignore it, for your safety.
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The plot y = f(x+6) is the plot y = f(x) shifted 6 units to the left.
T H E R E F O R E, if 8 and 9 are x-intercepts for f(x), then
x-intecepts for f(x+6) are 8-6= 2 and 9-6 = 3.
ANSWER. x-intecepts for f(x+6) are 2 and 3.
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