Solve for a 5 + 7a = 19
2 answers:
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Answer:
- reflected across the y-axis
- compressed by a factor of 2
Step-by-step explanation:
Replacing x by -x in f(x) causes it to be reversed horizontally, that is, reflected across the y-axis.
Replacing x by 2x in f(x) causes it to be compressed horizontally by a factor of 2.
Both of these transformations result in g(x) being a horizontally compressed horizontal reflection of f(x).
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See the attachment for an example. The blue curve is g(x); the red curve is f(x).
First we'll multiply the second equation by -2
Now let's add the new equation and the first one.
We found y's value. We'll plug it in one of the equations to find x's value.
Solution ;
(9, -6)