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Sveta_85 [38]
3 years ago
7

HELP!!! SEE ATTACHED

Mathematics
2 answers:
lana [24]3 years ago
8 0
Answer should be

<span>The slope of the tangent line to the function at x = a is 2.
</span><span>slope of line through points [x, f(x)] and [ a, f(a)]</span>
dlinn [17]3 years ago
8 0

Step-by-step explanation:

The given expression is

\frac{f(b)-f(a)}{b-a}=2

Notice that a and b are elements of the domain and f(a) and f(b) are elements of the range.

Observe the notation used,  an element of the range is always written like f(x) where x is an element of the domain.

Also, notice that this expression is using two pair of coordinates, which are (a, f(a)) and (b,f(b)).

On the other hand, the definition of average rate of change is

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

Where (x_{1} ,y_{1} )=(a ,f(a)) and (x_{2} ,y_{2} )=(b ,f(b)).

Having said that, the given expression represents an average rate of change in the interval, where the rate is 2. The right answer is the third option.

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Convert the equation into slope-intercept form 2x+3y=9

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Louis bought a burger and soda for $8. Kate purchased a slice of pizza and soda for $9. Biff purchased a burger, a slice of pizz
Arte-miy333 [17]

The equation for Louis's purchase is: x+y=8

The equation for Kate's purchase is: y+z=9

The equation for Biff's purchase is: x+y+z=13.50

Step-by-step explanation:

First of all we have to define variables for each item involved in the purchase

Let x represent burger

y represent soda

z be the slice of pizza

Then

"Louis bought a burger and soda for $8"

x+y=8

"Kate purchased a slice of pizza and soda for $9"

y+z=9

"Biff purchased a burger, a slice of pizza and a soda for $13.50"

x+y+z=13.50

The equation for Louis's purchase is: x+y=8

The equation for Kate's purchase is: y+z=9

The equation for Biff's purchase is: x+y+z=13.50

Keywords: Linear Equations, Variables

Learn more about Linear equations at:

  • brainly.com/question/11207748
  • brainly.com/question/11280112

#LearnwithBrainly

5 0
3 years ago
Please help me answer this I don't understand, I would really appreciate how you solved it as well.
abruzzese [7]

Answer: Parallel

Step-by-step explanation:

Set your -2x+10y=5 equation equal to y

-2x+10y=5

<u>      -10y -10y</u>

-2x=5-10y

<u>-5      -5       </u>

<u>-2x-5</u>+<u>-10y</u>

-10 -10 -10

-1/5x-1/2=y

Now you can put your equations into your graphing calculator and examine the lines made

(if you dont have one search up <em>online graphing calculator</em> on google or your app store)

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Ok ummm I honestly don’t know I’m so sorry I couldn’t help you wit this prob
8 0
3 years ago
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