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DerKrebs [107]
3 years ago
5

Please, I need help on this problem

Mathematics
1 answer:
MrMuchimi3 years ago
5 0
Anyone sees the problem? I can’t see it.
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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

So, the roots are:

x_ {1} = 0\\x_ {2} = 3

The domain is given by all real numbers except 0 and 3.

Answer:

x other than 0 and 3

8 0
3 years ago
Read 2 more answers
Help me plz I do not understand
9966 [12]
It is quite simple actually since it is simple division with the negative rules.
Just simplify the problem and use the negatives to determine if it is positive or negative. (two negatives equal a positive and one negative equals a negative)
5 0
3 years ago
Help me with this: How many residents were surveyed?
PtichkaEL [24]
22 you just count all of the dots
7 0
2 years ago
Jennifer wants to rent a car for 5 days, and she’s interested in a the loss damage waiver but not the collision damage wavier.If
nadya68 [22]
T= total cost
n= number of days

Total cost equals the cost per day times the number of days plus the fee.

T= $39n + $65
substitute 5 for n
T= 39(5) + 65
T= 195 + 65
T= $260 total cost

Hope this helps! :)
5 0
3 years ago
Read 2 more answers
Evaluate the following for g(0).g(x)=-9x-15<br>​
Karolina [17]
G(x)= -9(0)-15
G(x)= -15
The answer is -15
6 0
3 years ago
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