3 years ago

What is this? Attached

1 answer:

5 0

It's a function of function f(g(x))

f(x) = (x-3)/x and g(x) =5x-4

Just plug the value (5x-4) in x of f(x)

f(x) = [(5x-4) -3] / (5x-4) ==== f(x) = (5x-7)/(5x-4)

The domain are all the value of x different from 4/5 (or the number that render the denominator nil.

In short 5x-4 ≠ 0 or x≠ 4/5

Domain ={x/x ≠5/4}

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kramer

The answer is
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x - the number of adult tickets
y - the number of child tickets

<span>Group of 7 people: x + y = 7
</span> 6.50 adults and 3.50 for child ticket cost <span>33.50: 6.50x + 3.50y = 33.50

So, we have two equations:
</span>x + y = 7
6.50x + 3.50y = 33.50

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