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3 years ago

Really need help please

Mathematics

1 answer:

Lelechka [254]3 years ago

7 0

The second choice

It passes the horizintal line test, which means its a one to one function

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Factorise x^2+6x-7 ?? Help please

Ber [7]

$x^2+6x-7=\\
x^2-x+7x-7=\\
x(x-1)+7(x-1)=\\
(x+7)(x-1)$

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3 years ago

2(4x - 3) - 8 = 4 +2x

Lubov Fominskaja [6]

The variable x is equal to 3

5 0

3 years ago

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Drag each tile to the correct box consider the given functions f,g and h place the tiles in order from least to greatest accordi

Alja [10]

Answer:

Step-by-step explanation:

By definition, the average rate of change of a function f over an interval [a,b] is given by

$\dfrac{f(b)-f(a)}{b-a}$

compute the quantity

$\dfrac{f(3)-f(0)}{3}$

for all the three function

Average rate of change of f:

We will simply use the table to check the values for f(3) and f(0):

$\dfrac{f(3)-f(0)}{3}=\dfrac{10-1}{3} = 3$

Average rate of change of g:

We will use the graph to to check the values for g(3) and g(0):

$\dfrac{g(3)-g(0)}{3}=\dfrac{8-1}{3} = \dfrac{7}{3}$

Average rate of change of h:

We can plug the values in the equation to get h(3) and h(0):

$h(3)=3^2+3-6=9+3-6=6,\quad h(0)=0^2+0-6=-6$

And so the average rate of change is

$\dfrac{h(3)-h(0)}{3}=\dfrac{6-(-6)}{3} = 4$

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4 years ago

Solve this equation: 2x = 5

Scrat [10]

Answer:

2.5

Step-by-step explanation:

2x = 5

x = 5/2 = 2.5

I hope im right!!

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3 years ago

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How many 1/4 cups goes into 2 2/4 cups

Serhud [2]

1/4 goes into 2 2 /4

Means 2 2/4 divided by 1/4

Change 2 2 /4 to improper fraction. = (2*2 + 4)/4 = 10/4

10/4 ÷ 1/4

10/4 × 4/1

= 10

So it is 10.

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3 years ago

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