Function equation?
What is the functional equation of this?
(1 votes)
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It is probably a normal parable displaced by 3 units downward. The function equation is accordingly obtained…
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More detailed solution way, if you don’t recognize that it is a displaced normal parable, but only realizes that it looks a square function after the graph…
The vertex is (0 | -3) accordingly, you can use a vertex shape…
So…
…
The opening factor a. is then obtained by looking at a further point, for example (1 | −2), and using its coordinates into the approach…
So you get…
Shorter…
Thank you
f(x) = x2 – 3
This is simply a normal parable displaced by 3 units down.