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Yuki888 [10]
3 years ago
12

What’s the equation for this linear equation Y=mx+b

Mathematics
1 answer:
nignag [31]3 years ago
5 0

Answer:

y=3x+5

Step-by-step explanation:

x is being added up by 3

y is being added up by 5

Its A pattern

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For all values of x
Yuliya22 [10]

Answer:

A.) gf(x) = 3x^2 + 12x + 9

B.) g'(x) = 2

Step-by-step explanation:

A.) The two given functions are:

f(x) = (x + 2)^2 and g(x) = 3(x - 1)

Open the bracket of the two functions

f(x) = (x + 2)^2

f(x) = x^2 + 2x + 2x + 4

f(x) = x^2 + 4x + 4

and

g(x) = 3(x - 1)

g(x) = 3x - 3

To find gf(x), substitute f(x) for x in g(x)

gf(x) = 3( x^2 + 4x + 4 ) - 3

gf(x) = 3x^2 + 12x + 12 - 3

gf(x) = 3x^2 + 12x + 9

Where

a = 3, b = 12, c = 9

B.) To find g '(12), you must first find the inverse function of g(x) that is g'(x)

To find g'(x), let g(x) be equal to y. Then, interchange y and x for each other and make y the subject of formula

Y = 3x + 3

X = 3y + 3

Make y the subject of formula

3y = x - 3

Y = x/3 - 3/3

Y = x/3 - 1

Therefore, g'(x) = x/3 - 1

For g'(12), substitute 12 for x in g' (x)

g'(x) = 12/4 - 1

g'(x) = 3 - 1

g'(x) = 2.

5 0
3 years ago
Divide <br><br> (3x^2 + 9x + 7) divide by (x+2)
scZoUnD [109]

Answer:

The remainder is: 3x+3

The quotient is: 1

Step-by-step explanation:

We need to divide

(3x^2 + 9x + 7) by (x+2)

The remainder is: 3x+3

The quotient is: 1

The solution is attached in the figure below.

3 0
2 years ago
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Peter Johnson had $120,000 taxable income.The letters F.I.C.A. stand for the Federal Insurance Contributions Act.
JulijaS [17]

I apologise, but it is as though that there is some missing necessary information. Perhaps there was an error?

5 0
3 years ago
Decrease £600 by 20%
Tpy6a [65]
The answer would be £480 because 20% of 600 is 120 and 600 take away 120 is 480
4 0
3 years ago
Read 2 more answers
The numbers of days 12 friends went camping during the summer are 6, 2, 0, 10, 3, 6, 6, 4, 12, 0, 6, and 2. Use the number line
notka56 [123]
Least value: 0
First Quartile: 2
Median: 4
Third Quartile: 6
Greatest Value: 12

Range of data: 12
8 0
2 years ago
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