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xxTIMURxx [149]
2 years ago
9

F(x) = 73 +11 - 8 g(x) = -2 Find (f - 3)(x).

Mathematics
2 answers:
alexira [117]2 years ago
6 0

Answer:

\sf D.\:\sf (f-g)(x)= |17x+1|-6

Step-by-step explanation:

Hello there!

Let's solve this Linear functions

\sf f(x)=|7x+1|-8

\sf g(x)=-2

\sf |7x+1|-8-(-2)

\sf |7x+1|-8+2

\sf |17x+1|-6

laiz [17]2 years ago
5 0

Answer:

The answer is D

Step-by-step explanation:

when \: fx =  |7x + 1|  - 8 \\ while \: y \\ gx =  - 2 \\ therefore \: find(fx - gx) \\  (|7x - 1|  - 8) - ( - 2) \\  |7x - 1|  - 8 + 2 \\   |7x - 1|  - 6

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If x=7+root 40 ,find the value of root x+1by the root of x​
Luda [366]

Chapter : Algebra

Study : Math in Junior high school

x = 7 + √40

find √x of √x + 1

= √x + 1

= √(7+√40) + 1

in Formula is :

= √7+√40 = √x + √y

= (√7+√40)² = (√x + √y)²

= 7+√40 = x + 2√xy + y

= 7 + √40 = x + y + 2√xy

→ 7 = x + y → y = 7 - x ... Equation 1

→ √40 = 2√xy → √40 = 2.2√10 = 4√10

= xy = 10 ... Equation 2

substitution Equation 1 to 2 :

= xy = 10

= x(7-x) = 10

= 7x - x² = 10

= x² - 7x + 10 = 0

= (x - 5)(x - 2) = 0

= x = 5 or x = 2

Subsitution x = 5 and x = 2, to equation 1

#For x = 5

= y = 7 - x

= y = 7 - (5)

= y = 2

#For x = 2

= y = 7 - x

= y = 7 - (2)

= y = 5

and his x and y was find :

#Equation 1 :

= x = 5 and y = 2

#Equation 2 :

= x = 2 and y = 5

So that :

√7+√40 = √x + √y

= √7+√40 = √2 + √5

And that is answer of question :

= √2 + √5 + 1

3 0
3 years ago
In a recent 10-year period, the change in number of visitors to U.S national parks was about -11,150,000 visitors what is the ye
Debora [2.8K]

10 year ×12 months=120 months

11150000÷120=

That is the answer, sorry I am going out can't find the answer

4 0
3 years ago
2. Based on the table below, determine the exponential function being used. Use x as your variable. Then, evaluate this expressi
Ostrovityanka [42]

Answer:

y=5^{x}\\y=5^{7}=78125

Step-by-step explanation:

y = a^{x}, a=5\\y=5^{x}\\y=5^{0}=1\\y=5^{1}=5\\y=5^{2}=25\\y=5^{3}=125\\and\\y=5^{7} = 78125

4 0
3 years ago
Find the slope of the line passing through the points (-4, -4) and (2, 5) .
ahrayia [7]

Answer:

slope=9/8

Step-by-step explanation:

hope this help

7 0
2 years ago
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Which is bigger 40% of 120 or 1/4 of 200?
Dmitry [639]
40/100×120=4/1×12=48. 1/4×200=50. so 1/4 of 200 is greater than 40% of 120.
8 0
3 years ago
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