4 years ago

7)

Mathematics

1 answer:

algol134 years ago

8 0

Answer: $ 38.69 ; There are 12 people in the crew

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3m-4=-7 can u please use backtracking for this and teach me how to thanks

Mkey [24]

Move all the terms that don't contain m to the right and solve.
The answer is m=-1

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3 years ago

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Nataly [62]

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3 years ago

Let f (x) = 1/x<br> and g(x) = x² – 3x. What<br> two numbers are not in the domain of fºg?

iren [92.7K]

For this case we have the following equations:

$f (x) = \frac {1} {x}\\g (x) = x ^ 2-3x$

We must find $(f_ {o} g) (x):$

By definition of composition of functions we have to:

$(f_ {o} g) (x) = f (g (x))$

So:

$(f_ {o} g) (x) = \frac {1} {x ^ 2-3x}$

We must find the domain of f (g (x)). The domain will be given by the values for which the function is defined, that is, when the denominator is nonzero.

$x ^ 2-3x = 0\\x (x-3) = 0$