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Elis [28]
3 years ago
10

Which function has an inverse that is also a function

Mathematics
1 answer:
Lina20 [59]3 years ago
5 0

In order for a function to have an inverse that is also a function there are 2 main requirements:

1. The function should be bijective (ie) the function should be one-one ( each element in codomain has not more than 1 pre image in domain) and onto ( Range should be equal to codomain)

2. The inverse function should be defined by a suitable domain and range

Hope this answer helps you..

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Please help me if possible
ss7ja [257]

Answer: 8 cm

Step-by-step explanation:

To do this, we just need to divide 256 by each of the numbers.

First let’s divide 256 by 8

256/8=32

Then divide 32 by 4

32/4 = 8.

Therefore your answer is 8 cm.

3 0
3 years ago
The area of a rectangle is (27x5 + 9x4 - 18x3) square feet. The width of the rectangle is 9x2 feet. What is the length of the re
Yuliya22 [10]
If the width is 9x², then the length is 27x^5+9x^4-18x^3/9x², which equals 3x³+x²+2x. ☺☺☺☺
8 0
2 years ago
Read 2 more answers
What is the answer and how do u get that answer
earnstyle [38]
Let me see a better picture
3 0
3 years ago
The table shows certain values of a cubic function
Nadusha1986 [10]

Considering the given table, we have that:

  • The function has a relative maximum when x is near 3.
  • As x approaches positive infinity, the value of the function approaches negative infinity.

<h3>When a function has a relative maximum?</h3>

A function has a relative maximum when it changes from increasing to decreasing.

Looking at the given table, it happens when x is near 3.

Also, looking at the table, for x > 3 the function is decreasing, hence as x approaches positive infinity, the value of the function approaches negative infinity.

More can be learned about functions at brainly.com/question/24737967

#SPJ1

3 0
2 years ago
Chantal bicycles at a speed of 20 miles per hour and has already riden 45 miles when Trisha begins cycling. Trish bicycles at a
melomori [17]

Answer:

Chantal and Trisha will have both traveled 105 miles in 20 minutes.

Step-by-step explanation:

y is distance in miles, x is time in hours.

The two equations are:

y = \frac{20}{x} + 45

y = \frac{35}{x}

Set them equal to each other and solve for x:

\frac{35}{x} = \frac{20}{x} + 45

\frac{35}{x} - \frac{20}{x} = 45

\frac{35-20}{x} = 45

\frac{15}{x} = 45

x = \frac{15}{45} = \frac{1}{3} hours = 20 minutes

Plug that back into the equations to confirm this x gives the same y:

y = \frac{20}{1/3} + 45 = 105 miles

y = \frac{35}{1/3} = 105 miles

4 0
2 years ago
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