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Fantom [35]
2 years ago
7

HELLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
1 answer:
qwelly [4]2 years ago
7 0

Answer:

Q. 2   (d)

Step-by-step explanation:

4/3 x + 4 2/3

2(2/3)(x) + 14/3

2(2/3)(x) + 7(2/3)

take (2/3) common

2/3 (2x + 7)

ANSWER!

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what is one possible value of x for which the function g above is undefined? g(x) = √(x-1) (x-2) note: √ iss the root sign
oksano4ka [1.4K]

Answer:

A possible value of x for which g(x) = √(x-1)(x-2) is undefined is x = 1.5

Step-by-step explanation:

The function g(x) = √(x-1)(x-2) is undefined when (x-1)(x-2) < 0.

So (x-1)(x-2) < 0

⇒ x - 1 < 0 or x -2 < 2

⇒ x < 1 or x < 2.

So we look for the interval for which (x - 1)(x - 2) < 0

when x < 1, e.g x = 0, (x - 1)(x - 2) = (0 - 1)(0 - 2) = (-1)(-2) =2 > 0. So (x - 1)(x - 2) > 0 for x < 1

when 1 < x < 2, e.g x = 1.5, (x - 1)(x - 2) = (1.5 - 1)(1.5 - 2) = (0.5)(-0.5) = -0.25 < 0. So (x - 1)(x - 2) < 0 for 1 < x < 2

when x > 2 e.g x = 3, (x - 1)(x - 2) = (3 - 1)(3 - 2) = (2)(1) = 2 > 0. So (x - 1)(x - 2)  > 0 for  x > 2

Since (x - 1)(x - 2) < 0 for 1 < x < 2, this is the required interval.

So, g(x) = √(x-1)(x-2) is undefined in the interval 1 < x < 2

A possible value for x in this interval is x = 1.5

So, a possible value of x for which g(x) = √(x-1)(x-2) is undefined is x = 1.5

5 0
3 years ago
Writing an Equation from a Graph
nata0808 [166]

Answer:

y = x + 2

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 0) and (x₂, y₂ ) = (0, 2) ← 2 points on the line

m = \frac{2-0}{0-(-2)} = \frac{2}{0+2} = \frac{2}{2} = 1

the line crosses the y- axis at (0, 2 ) ⇒ c = 2

y = x + 2 ← equation of line

6 0
2 years ago
A school has three english classes. the first class has 26 students, the second class has 31 students and the last class has 28
aleksklad [387]
3 ways. You can do 1 from the 26 class. 2 from the 31 and 1 from the 28 class
2 from the 26 class, 1 from the 31 class and 1 from the 28 class
2 from the 28 class, 1 from the 31 class and 1 from the 26 class
8 0
3 years ago
Hi Plz help me with this question
inessss [21]
Answer: 4,-6
Not 100% sure
3 0
3 years ago
-7+4v=-7v-7(1-6v) what’s the answer
Aleks04 [339]

Answer:

<h2>v = 0</h2><h2 />

Step-by-step explanation:

-7 + 4v = -7v -7(1 - 6v)

⇔

-7 + 4v = -7v - 7 + 42v

⇔

4v = -7v + 42v

⇔

4v = 35v

⇔

35v - 4v = 0

⇔

31v = 0

⇔

v = 0

4 0
3 years ago
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