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Given f(x) and g(x) = k· f(x), use the graph to determine the value of k

Given f(x) and g(x) = k· f(x), use the graph to determine the value of k-example-1

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if g(x) = k•f(x), then we know g(-3) = k•f(-3). I'd pick x=-3 because of the two dots on the graph, which tell us:

g(-3) = -2 and f(-3) = 1

So, -2 = k•1 or k = –2

User Eaglefreeman
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