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garik1379 [7]
3 years ago
5

Which expression can be used to find the slope of a line containing the points (–3, 2) and (7, –1)?

Mathematics
1 answer:
Rufina [12.5K]3 years ago
7 0

Answer:

<u>C. (Image 092618</u>

Step-by-step explanation:

slope =  \frac{y_{2} - y_{1} }{x _{2}  - x_{1} }

y1 is 2

y2 is -1

x1 is -3

x2 is 7

substitute:

slope =  \frac{ - 1 - 2}{7 - ( - 3)}

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2 Points
saw5 [17]
There’s no shape so I think it’s D
3 0
3 years ago
Given f(x) = x^2 – 3 and g(x) = x+2/x . Find (g ° f)(4).
Gnom [1K]

Answer:

C

Step-by-step explanation:

Given the two functions, we need to find

(g ° f)(4)

This means, we need to put the function f(x) INTO the function g(x) and then evaluate that new function at x = 4.

We put the whole expression of f(x) into "x" of g(x). Shown below:

f(x)=x^2-3\\g(x)=\frac{x+2}{x}\\(gof)(x)=\frac{x^2-3+2}{x^2-3}\\(gof)(x)=\frac{x^2-1}{x^2-3}

Now we plug in 4 into x and evaluate:

(gof)(x)=\frac{x^2-1}{x^2-3}\\(gof)(4)=\frac{4^2-1}{4^2-3}\\(gof)(4)=\frac{15}{13}

Thus,

correct answer is C

5 0
3 years ago
Evaluate the summation of 2 times negative 2 to the n minus 1 power, from n equals 1 to 7..
sukhopar [10]
Thank you for posting your question here at brainly. Feel free to ask more questions.  

<span>The best and most correct answer among the choices provided by the question is 86.</span><span>       
    </span><span>
<span>Hope my answer would be a great help for you.</span></span>
6 0
3 years ago
Read 2 more answers
4x = 2(x-5)-2 can you solve please
Alborosie
First distribute
4x=2(x-5)-2
4x=2x-10-2
4x=2x-12
2x=-12
x=-6
7 0
3 years ago
Read 2 more answers
What is the value of y in the equation 4 + y = −3? (1 point)
levacccp [35]
It’s totally negative seven
5 0
3 years ago
Read 2 more answers
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