3 years ago

Two functions are f(x) = (2x+5)/8 and g(x) 3x-4. If inverse of (fog)(x) is an identity function, find the value of x

1 answer:

7 0

Answer:

if the two graphs are symmetric with respect to the line y = x (mirror images over y = x ), then they are inverse functions.

Step-by-step explanation:

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coldgirl [10]

Answer:

$\sf slope: \boxed{\bf \frac{1}{3} }$

Explanation:

$\sf slope :\dfrac{y_2-y_1}{x_2-x_1} =\dfrac{rise}{run} \ \ \ \ where \ (x_1, \ y_1) ,(x_2, \ y_2) \ are \ points$

Find slope:

$\rightarrow \sf \dfrac{x_2-x_1}{y_2-y_1}$

insert values

$\rightarrow \sf \dfrac{3-5}{-4-2}$

simplify

$\rightarrow \sf \dfrac{1}{3}$

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Klio2033 [76]

Answer:

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Step-by-step explanation:

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3 years ago

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zysi [14]

Answer:

2x + 5

Step-by-step explanation:

I am assuming you are talking about a linear function. If it is, then the equation would be:

2x + 5.

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3 years ago

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What is the perimeter of a triangle with the given side lengths? s1 = x – 3 ft s2 = x 2 ft s3 = x 4 ft

choli [55]

The perimeter of the triangle with those given lengths is $x7-3$

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4 years ago

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Dmitrij [34]

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