Question
The function $Y_{2}$ is defined as $Y_{1}+k$ for some real number $k$. Based on the two views of the graphs of $Y_{1}$ and $Y_{2}$ and the displays at the bottoms of the screens, what is the value of $k ?$(Graph cannot copy)
Step 1
This implies that when $x=-4$, $Y_{1}=3$. Hence, the equation of the function $Y_{1}$ can be written as $Y_{1} = (x+2)^{2} - 1$. Show more…
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