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kkurt [141]
3 years ago
10

Explain how to decide whether to use graphing, substitution, or elimination to solve a system of equations.

Mathematics
1 answer:
Bess [88]3 years ago
4 0
It depends on the systems of equations. I would stay away from elimination, go for substitution and graph only if asked.
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Given f(x) and g(x) = k⋅f(x), use the graph to determine the value of k.
oksian1 [2.3K]

Answer:

-3 is the value of k in g(x)=kf(x)

Step-by-step explanation:

Both functions cross nicely at x=-3 so I'm going to plug in -3 for x:

g(x)=kf(x)

g(-3)=kf(-3)

To solve this for k we will need to find the values for both g(-3) and f(-3).

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