which statement correctly describes the relationship between the graph of f(x) and the graph of g(x) = f(x)-1

a. the graph of g(x) is the graph of f(x) translated 1 unit up

b. the graph of g(x) is the graph of f(x) translated 1 unit right

c. the graph of g(x) is the graph of f(x) translated 1 unit down

d. the graph of g(x) is the graph of f(x) translated 1 unit left

Respuesta :

Answer:

c. the graph of g(x) is the graph of f(x) translated 1 unit down

Step-by-step explanation:

AS you can see the graphs are linear and have the same slope, the form of the function is: y=mx+c as you can see in both functions the slope is 1, only in f(x)-1 the graph will be translated 1 unit down, so both lines having the same slope are parallel and just separated 1 unit.

The statement that correctly describes the relationship between the graph of f(x) and g(x) = f(x) - 1 is;

Option C; the graph of g(x) is the graph of f(x) translated 1 unit down

This is all about translations of graphs under transformations.

In translations of graphs, we usually shift the graph left, right, up or down.

  • When we shift left, we add the number of units shifted to the value of x inside the bracket whereas when it is shifted right, we subtract the number of units shifted to the value of x inside the bracket

Now, along the vertical axis; when it is shifted up, we add the number of units shifted to f(x) whereas when it is shifted down, we subtract the number of units shifted to f(x).

  • Now, applying our definitions to our question. We are told that g(x) = f(x) - 1

This means 1 unit is subtracted from f(x), this means f(x) was shifted down by 1 unit.

In conclusion, Option C is the correct answer.

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