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Bezzdna [24]
2 years ago
6

Write an equation for the

Mathematics
1 answer:
Travka [436]2 years ago
8 0

Answer:

See below

Step-by-step explanation:

For the model function f(x)=a|x-h|+k, (h,k) is the vertex, and a is the horizontal growth or shrink factor.

We know that our vertex is (-1.5,0) from our graph, so we'll need to determine the value of a by using one of the points on the graph:

f(x)=a|x-h|+k\\\\f(x)=a|x-(-1.5)|+0\\\\f(x)=a|x+1.5|\\\\f(0)=a|0+1.5|\\\\3=a|1.5|\\\\3=1.5a\\\\2=a

Thus, our equation for the given graph is f(x)=2|x+1.5|.

The domain of a function is the set of all existing real x-values, thus, our domain for the given function is (-\infty,\infty), or all real x-values.

The range of a function is the set of all existing real y-values, thus, our range for the given function is [-1,\infty), or all real y-values starting with y=-1 which is included.

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