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Ksenya-84 [330]
3 years ago
15

The graph of f(x) and g(x) are shown below Which of the following is the graph of (g-f)(x)

Mathematics
2 answers:
kow [346]3 years ago
7 0

Answer:

the option is the third for edgenu

Step-by-step explanation:

4,4

anyanavicka [17]3 years ago
5 0

Answer:  (g-f)(x)=-4x

Explanation: According to the graph, line created by function f(x) passes through the points (1,-3) and (0,0) and similarly, line created by the function passes through the points (1,1) and (0,0).

Thus, we can find the equation of the lines with help of formula y-y_1=\frac{y_2-y_1}{x_2-x_1} × (x-x_1)

so, equation of line created by function f(x)

y+3=\frac{3-0}{0-1}×(x-1)

y+3=\frac{3}{-1}×(x-1)

y+3=-3x+3

y=-3x thus function f(x)=-3x

similarly, equation of line created by function g(x)  

y=x thus function g(x)=x

Now, we have to find out, (g-f) (x)= g(x)-f(x)= -3x-x= -4x

                                                                                             

                                                                                                                                                       


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