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blsea [12.9K]
3 years ago
15

Write y = 3x - 5 in function notation

Mathematics
1 answer:
Gekata [30.6K]3 years ago
6 0

Answer:

f(x) = 3x -5

Step-by-step explanation:

The equation for a line is already a type of function, so you simply replace y for f(x), g(x), or something similar to that

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A dog pen in the shape of a rectangle is to be built using one wall of a house as a side. If 132 feet
diamong [38]
This is a very poorly written question. im assuming the house wall is at least 130 ft since there is no information given about it.

each set of side lengths has three elements, the long side and the two short sides. we're asked to list all whole number possibilities so start anywhere, the two short sides being 1ft
(1 1 130). the long side has to be the difference of 132 and the length of both short sides.

the area is one of the short sides times the ling side, in the first case 1*130=130 sqft

continuing the list

(2 2 128) area=256
(3 3 126) area=378
(4 4 124) area=496
(5 5 122) area=610

the short sides increase by 1, the long side decreases by 2, the area gets bigger, but the difference between the areas are 4 less each time. dividing the first difference, 122, by 4 will give us a number to make a better guess from.

122÷4=30.5

so lets try

(30 30 72) area=2160

lets try 31 and see if that gives a smaller area

(31 31 70) area = 2170

(32 32 68) area =2176

(33 33 66) area = 2178

(34 34 64) area = 2176

so the area is decreasing now which means the maximum area is found when thw long side is 66 feet and the short sides are 33 feet.

as far as listing all possibilities, you see the pattern i started, i leave the rest to you
6 0
3 years ago
Pls help I’m struggling a lot
miskamm [114]

Answer:

the second one

Step-by-step explanation:

i read the problem and answered it

6 0
2 years ago
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6a. In King County the sales tax is 9.5%. What is the total tax collected (tax ONLY) on a purchase of $222.00? I WILL GIVE YOU B
soldier1979 [14.2K]

Answer:

$

21.09

Step-by-step explanation:

7 0
2 years ago
A square is drawn below what is the value of x
Andru [333]

Answer:

You donf have the picture shown, how is anybody supposed to work on it

3 0
3 years ago
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A scooter was bought at Rs 42,000. its value depreciated at the rate of 8% per annum. find its value after one year​
Alona [7]

Answer:

Rs 38,640

Step-by-step explanation:

<u>Pay attention:</u>

A = P(1+r/100)^n

The principle (p) : Rs 42,000

Rate of interest (r) : 8%

Time (n) : 1 years

Exact Amount (a) : P(1-R/100)^n

Value:

A = 42,000(1 - 8/100)^1

A = 42,000(1 - 2/25)

A = (42,000 * 23)/25

A = 1,680 * 23

A = Rs 38,640

4 0
3 years ago
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