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TiliK225 [7]
1 year ago
11

What is the inverse of f(x)=4x+5?

Mathematics
1 answer:
cestrela7 [59]1 year ago
3 0

Answer:

C

Step-by-step explanation:

swap y and x in the function. that is

x = f(y)

we get x=4y+5

<em>S</em><em>o</em><em>l</em><em>v</em><em>e </em><em>for </em><em>y</em>

(x-5)/4=y

f ^{ - 1}(x) =  \frac{1}{4}  (x - 5)

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The area of a particular rectangle is 72. If the length of the rectangle is twice
soldier1979 [14.2K]

Answer:

6

Step-by-step explanation:

Suppose the width is "a".  Then the length is 2a.

2(a²) =72 Divide both sides by 2

    a²= 36

    a=6

   

4 0
2 years ago
1)4/9 ÷ 2/3
den301095 [7]
1. 2/3. Flip 2/3 into 3/2 and then multiply and simplify.
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4. 44.2. Multiply it as if there was no decimal. Then count the number of digits after the decimal in each factor. Then put the same number of digits behind the decimal in the product.
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Hope this helps!
3 0
2 years ago
What is the range of the data?
PilotLPTM [1.2K]

Answer:

is the difference between highest and lowest values.

Step-by-step explanation:

6 0
2 years ago
Simplify (6 5x) (7x 3)
antiseptic1488 [7]
(6 + 5x)(7x + 3) = 42x + 18 + 35x^2 + 15x = 35x^2 + 57x + 18
3 0
3 years ago
As part of a company incentive, each sales person that sells over \$40{,}000$40,000dollar sign, 40, comma, 000 in merchandise th
worty [1.4K]

Answer:

$58,600

Step-by-step explanation:

Data provided in the question:

Commission on Sales upto and including $40,000 = 5%

Commission on Sales above $40,000 = 10%

Total commission = $3,860

Now,

For sales of $40,000

maximum commission = 5% of $40,000

= $2,000

Since the commission received is greater than $2,000

Therefore,

The value of s is greater than $40,000

Thus

Amount qualifying for 10% commission = s - $40,000

therefore,

Total commission = $2,000 + 10% of (s - $40,000)

or

$3,860 =  $2,000 + 0.10 × (s - $40,000)

or

$1,860 = 0.10 × (s - $40,000)

or

s - $40,000 = $18,600

or

s = $18,600 + $40,000

or

s = $58,600

4 0
3 years ago
Read 2 more answers
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