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KatRina [158]
3 years ago
11

What is the inverse of the function below?

Mathematics
1 answer:
vredina [299]3 years ago
4 0

Answer:

f^-1(x) = x + 5

Step-by-step explanation:

f(x) = x-5

y = x-5

Exchange x and y

x = y-5

Solve for y

x+5 = y-5+5

x+5 =y

The inverse is x+5

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The total number of people at a football game was 5600. Field-side tickets were 40 dollars and end-zone tickets were 20 dollars.
rewona [7]

Answer:

1100 field-side tickets and 4500 end-zone tickets.

Step-by-step explanation:

Let x represent number of field side tickets and y represent number of end-zone tickets.

We have been given that the total number of people at a football game was 5600. We can represent this information in an equation as:

x+y=5600...(1)

y=5600-x...(1)    

We are also told that Field-side tickets were 40 dollars and end-zone tickets were 20 dollars.

Cost of x field side tickets would be 40x and cost of y end-zone tickets would be 20y.

The total amount of money received for the tickets was $134000. We can represent this information in an equation as:

40x+20y=134000...(2)

Upon substituting equation (1) in equation (2), we will get:

40x+20(5600-x)=134000

40x+112000-20x=134000

20x+112000=134000

20x+112000-112000=134000-112000

20x=22000

\frac{20x}{20}=\frac{22000}{20}

x=1100

Therefore, 1100 field side tickets were sold.

Upon substituting x=1100 in equation (1), we will get:

y=5600-1100

y=4500

Therefore, 4500 end-zone tickets were sold.

3 0
3 years ago
What is the formula for the following geometric sequence?<br><br> -5 -10 -20 -40
Musya8 [376]

Answer:

Subtract 5, double, subtract 5 doubled, so on.

7 0
3 years ago
Equation of the line which passes through point (0,5) at gradient of - 1​
bonufazy [111]

Answer:

y = - x + 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here gradient (slope) = - 1 and (0, 5) ⇒ c = 5

y = - x + 5 ← equation of line

5 0
2 years ago
Pls help!
Misha Larkins [42]

Answer:

5.184 or 5.180 (rounded up)

Step-by-step explanation:

V = Bh or l x w x h

2.4 x 1.2 x 1.8 = 5.184 but rounded up would be 5.180

5 0
3 years ago
Does anyone know what x and y equal
Ket [755]
X=4 y=10
Because when you look at the intersection of the two lines they intersect at (4,10) (x,y)
5 0
3 years ago
Read 2 more answers
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