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Troyanec [42]
3 years ago
14

Help me with quistion 1 and 2

Mathematics
2 answers:
mart [117]3 years ago
6 0

Answer:

1.B

first picture is x greater than or equal to 4

second picture is x less than or equal to 4

then x>4 is a open circle and a line to the  right

then x<4 to the left

Step-by-step explanation:

Anit [1.1K]3 years ago
4 0
The answer to number 1 is B
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Is this an inequality or equation?
romanna [79]

Answer:

Equation

Step-by-step explanation:

A statement that the values of two mathematical expressions are equal (indicated by the sign =).

^^ This is the definition of equation

Difference in size, degree, circumstances, etc.; lack of equality.

^^ This is the definition for Inequality

The question moves more toward equation than inequality.

3 0
3 years ago
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the graph shows the distance a car travels over a certain amount of time. what is the ratio of kilometers traveled to the time i
Mumz [18]
A. 40 km/h
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8 0
3 years ago
Let f(x) = x+2/x+6 <br> f^-1(-6) =
GREYUIT [131]

We can explicitly find the inverse. If f^{-1}(x) is the inverse of f(x), then

f\left(f^{-1}(x)\right) = \dfrac{f^{-1}(x)+2}{f^{-1}(x)+6} = x

Solve for the inverse :

\dfrac{f^{-1}(x) + 2}{f^{-1}(x) + 6} = x

\dfrac{f^{-1}(x) + 6 - 4}{f^{-1}(x) + 6} = x

1 - \dfrac4{f^{-1}(x) + 6} = x

1 - x = \dfrac4{f^{-1}(x) + 6}

f^{-1}(x) + 6 = \dfrac4{1-x}

\implies f^{-1}(x) = \dfrac4{1-x} - 6

Then when x = -6, we have

f^{-1}(-6) = \dfrac4{1-(-6)} - 6 = \dfrac47-6 = \boxed{-\dfrac{38}7}

Alternatively, we can first solve for x such that f(x) = -6. Then taking the inverse of both sides, x = f^{-1}(-6). (The difference in this method is that we don't compute the inverse for all x.)

We have

\dfrac{x+2}{x+6} = -6

x + 2 = -6 (x + 6)

x + 2 = -6x - 36

7x = -38

\implies x = \boxed{-\dfrac{38}7}

8 0
3 years ago
What is a common denominator for 1/6 and 3/5
d1i1m1o1n [39]

Answer:

30

Step-by-step explanation:

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NikAS [45]
I’m ok thinks for checking up on me and I did drink water I have been stressed a lot with school lately. And yes we can be friends I would love to be study buddies. How are you? And have a nice day!
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3 years ago
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