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Alisiya [41]
3 years ago
10

If f(x)=4x-3, what is f(x)^(-1)

Mathematics
1 answer:
VladimirAG [237]3 years ago
6 0

Answer:

f^{-1}(x)=\frac{x+3}{4}

Step-by-step explanation:

observe by inverse definition of a function

x=4f^{-1}(x)-3\\f^{-1}(x)=\frac{x+3}{4}

You might be interested in
Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours
uysha [10]

Answer:

\$(990-t)

Step-by-step explanation:

The correct question is

Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours at her two jobs. Let t be the number of hours Susan worked as a tutor this month. Write an expression for the combined total dollar amount she earned this month

Let

t -----> the number of hours that Susan work as a tutor

y ----> the number of hours that Susan work as a waitress

z ---> the combined total dollar amount she earned this month

we know that

t+y=90

y=90-t-----> equation A

we know that

The combined total dollar amount she earned this month is equal to the number of hours that Susan work as a tutor multiplied by $10 plus the number of hours that Susan work as a waitress multiplied by $11

z=10t+11y ----> equation B

substitute equation A in equation B

z=10t+11(90-t)

z=10t+990-11t

z=990-t

therefore

The expression for the combined total dollar amount is $(990-t)

3 0
3 years ago
Express 3/8 in thirty-seconds
Doss [256]
The answer is 12/32 i believe.
6 0
3 years ago
Is 1.7 rational or irrational
Tpy6a [65]

Answer:

rational

Step-by-step explanation:

5 0
3 years ago
Help would be much appreciated pic of question
Westkost [7]

Answer:

see attached

Step-by-step explanation:

The graph is a series of horizontal lines. A solid dot goes wherever there is an "or equal to" symbol in the inequality. An open dot goes where the point is not included in the function definition (but nearby points are).

7 0
3 years ago
What is the domain of the square root function graphed below?<br> x=-1 x&gt;/=-1
liq [111]

Answer:

im guessing -1

Step-by-step explain

well it would be greater than -1x-1

8 0
3 years ago
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