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3 years ago

What is?... 18 1/7 - 11 5/6

Mathematics

1 answer:

Daniel [21]3 years ago

3 0

$18+1/7-(11+5/6)$
$=18-11+1/7-5/6$
$=7+(6-5*7)/42$
$=7-29/42$
$=6+13/42$
$=6\frac{13}{42}$

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Answer:

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Step-by-step explanation:

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2 years ago

If g(x) = {(4, -5), (-3, 2), (-6, 1), (1,0)}, which set of ordered pairs represents

Ket [755]

Answer:

The inverse of g(x) is {(-5, 4), (2, -3), (1, -6), (0, 1)} ⇒ (A)

Step-by-step explanation:

To find the inverse of a function switch x and y

<u>Example:</u>

If f(x) = {(1, 2), (-4, 5), (0, 0)}

To find its inverse switch x and y in each ordered pair

The inverse of f(x) = {(2, 1), (5, -4), (0, 0)}

<em>Let us do the same with our question</em>

∵ g(x) = {(4, -5), (-3, 2), (-6, 1), (1, 0)}

→ Switch x and y coordinates in all ordered pair

∴ The inverse of g(x) = {(-5, 4), (2, -3), (1, -6), (0, 1)}

<em>Look at the answer to find the correct choice</em>

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ANSWER

First choice

EXPLANATION

The graph of f(x) and

${f}^{ - 1} (x)$

are symmetric about the line y=x.

This means that the graph of

${f}^{ - 1} (x)$

is the reflection of f(x) in the line y=x.

This explains why the composition of a function and its inverse yields x, as the result.

The first choice is correct.

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4 years ago