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il63 [147K]
3 years ago
5

-4x-y=24 whats the missing value

Mathematics
1 answer:
lubasha [3.4K]3 years ago
4 0

Answer:

x

Step-by-step explanation:

;\

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What is the range of f(x) = 1/x?
just olya [345]

The range of f(x)=\frac{1}{x} is all values of x except for 0

Step-by-step explanation:

For a function:

  • The domain is the range of the x that are allowed for the function - that means, the set of values of x for which the function is defined
  • The range is the set of values of y, i.e. the set of all the values that the function can take

The range of a function is also equal to the domain of the inverse function. Therefore, to solve this problem, we can find the inverse function of f(x) and evaluate its range.

We rewrite the function as

y=\frac{1}{x}

Now we swap y with x:

x=\frac{1}{y}

And then we have to re-arrange the function to make y the subject; we get:

y=\frac{1}{x}

which means that the inverse function is

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

We notice that the inverse function is equal to the original function.

We notice also that this function is not defined for x=0: this means that the domain of the function is all the values of x, except x=0:

D(f^{-1}(x)): x\neq 0

this is the domain of f^{-1}(x), which is equal to the range of f(x): therefore, the range of f(x) is all values of x except for 0.

Learn more about domain and range of a function:

brainly.com/question/7128279

brainly.com/question/9607945

brainly.com/question/1485338

#LearnwithBrainly

8 0
4 years ago
Find the surface area of a cylinder with the following dimensions. Use 3. 14 for $. Round your answer to the nearest
kupik [55]

Answer:

b

Step-by-step explanation:

r=d/2=11.4/2=5.7

slant surface area=2πr*h=11.4×3.14×4.4=157.5024 cm^2

area of base and top=2(πr²)=2×3.14×(5.7)²=204.0372 cm²

total surface area=157.5024+204.0372=361.5396=361.5 sq. cm

7 0
3 years ago
The population of a midwestern city decays exponentially. if the population decreased from 900,000 to 800,000 from 2003 to 2005,
Amanda [17]
650,000 if your following the same death rate
6 0
4 years ago
Read 2 more answers
Mr Brown has 2 children are going to london by train 1 adult costs £24 and child ticket costs 12 1/3 off adults tickets and 60%
jasenka [17]

Complete Question

Mr Brown has 2 children are going to london by train

1 adult costs £24 and child ticket costs 12

The Family Railcard offers:

1/3 off adults tickets and 60% off child ticket

What is the total cost of tickets when Mr Brown uses the Family Railcard

Answer:

£25.60

Step-by-step explanation:

From the question:

1 adult costs £24

The Family Railcard offers:

1/3 off adults tickets.

Hence:

1/3 × £24 = £8

The cost for Mr Brown = £24 - £8

= £16

Child ticket costs £12

The Family Railcard offers:

60% off child ticket

Hence = 60% × £12

= 60/100 × £12

= £7.2

The cost for 1 child = £12 - £7.2

= £4.8

The total cost of tickets when Mr Brown uses the Family Railcard is:

Cost for Mr Brown + Cost for his 2 Children

£16 + 2 × £4.8

£16 + £9.6

= £25.60

6 0
3 years ago
Consider the arithmetic series 3 + 7 + 11 + 15 + 19 + 23 + 27+ ....
Furkat [3]

Answer:

105

Step-by-step explanation:

105

7 0
3 years ago
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