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Kitty [74]
3 years ago
7

Match each graph with the correct description

Mathematics
1 answer:
Inga [223]3 years ago
7 0
For this question you need to be familiar with the basic shapes of odd and even functions; looking at the graphs, we can see that the first two are clearly odd functions and the second two are even functions.

For odd functions, an easy way to tell if it's negative or positive is to see which direction the end of the function on the right side heads in; for the first graph we can see that at x > 1 the gradient is negative, and so the leading coefficient is negative, whilst for the second graph at x > 1 the gradient is positive and so the leading coefficient is positive.

For even functions it would be the same, so for the third graph we can see that the graph has a positive gradient to the right and so the leading coefficient is positive and then for the fourth graph we can see that the graph heads downwards to the right and so the leading coefficient is negative.

So the answers would be:
First graph: The degree of function is odd and the leading coefficient is negative

Second graph: The degree of the function is odd and the leading coefficient is positive

Third graph: The degree of the function is even and the leading coefficient is positive

Fourth graph: The degree of the function is even and the leading coefficient is negative

It is however worth remembering the basic graph of each function that you learn so that these things will become easily identifiable ;)
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Find the x−and y−intercepts. 3x + 12y = −48
Yanka [14]

Answer:

y-intercept: (0,-4)

x-intercept: (-16,0)

Step-by-step explanation:

To solve for X, Substitute 0 for Y and continue.

To solve for Y, Substitute 0 for X and continue.

3 0
2 years ago
one group of friends has 5 cookies to share between 3 people.a second group of friends has 8 cookies to share between 6 people.w
Paul [167]
Group 1:-
5 cookies
3 people
5/3

Group 2:
8 cookies
6 people
8/6

Group 1 each person gets 5/3 and in group 2 each person gets 8/6.

Which is more?

5/3

5 ÷ 3 ≈ 1.6

8/6

8 ÷ 6 ≈ 1.3

Is 1.3 more or 1.6?

1.6 is more.

5/3 (group 1) receive more. 
8 0
3 years ago
Please answer this one, I’m in math grade 9 having online classes i need your help for this one. Asap thanksss
ICE Princess25 [194]

Answer:

1) b

2)d

3)a

Step-by-step explanation:

1) count the number of different betwwen 2 cycles

2) take 5/160 time 8

3) take 12/9.6 then times 6.4

8 0
2 years ago
The volume of a cube is 64 cubic inches. Which expression represents s, the length of a side of the cube?
vlabodo [156]

Answer:

<h2>Therefore the length of a side of a cube is \sqrt[3]{64}\ or\ 4</h2>

Step-by-step explanation:

The volume of a cube is expressed as L³ where L is the length of each side of the cube.

Given volume of a cube = 64in³

On substituting;

64 = L³

Taking the cube root of both sides to determine L we have;

\sqrt[3]{64} = (\sqrt[3]{L})^{3}\\\sqrt[3]{64} = L\\L=4

Therefore the length of a side of a cube is \sqrt[3]{64}\ or\ 4

8 0
3 years ago
#2) A lifeguard is swimming to a drowning swimmer. The lifeguard's location is at
Ulleksa [173]

Answer:

<h3>9.43</h3>

Step-by-step explanation:

The formula for calculating the distance between two points is expressed as

D =√(x2-x1)²+(y2-y1)²

Given the coordinates (0,0) and (8,5)

D = √(5-0)²+(8-0)²

D = √5²+8²

D = √25 + 64

D = √89

<em>D = 9.43</em>

<em>Hence the distance between the life guard and the swimmer is 9.43</em>

<em></em>

8 0
2 years ago
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