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**The function f(x) = (x - 7)^2 - 3 istransformed into the function h(x)=a(x- 7)^2 - 3 (shown below). What is thevalue of a?

The Function Fx X 72 3 Istransformed Into The Function Hxax 72 3 Shown Below What Is Thevalue Of A class=

Sagot :

Answer:

[tex]\begin{gathered} a=\frac{1}{7} \\ h(x)=\frac{1}{7}(x-7)^2-3 \end{gathered}[/tex]

Step-by-step explanation:

We know that the ''a'' coefficient represents a stretch or compression, if it is between 0 and 1, it is a horizontal stretch:

[tex]\begin{gathered} h(x)=a(x-7)^2-3 \\ \text{ Since we know that at x=0, h(x)=4} \\ 4=a(0-7)^2-3 \\ 4=49a-3 \\ 49a=7 \\ a=\frac{7}{49} \\ a=\frac{1}{7} \end{gathered}[/tex]

Therefore, the equation for the function shown is:

[tex]h(x)=\frac{1}{7}(x-7)^2-3[/tex]

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