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AVprozaik [17]
3 years ago
13

Need help with this if you can explain please do if not then just and answer is okay

Mathematics
2 answers:
pshichka [43]3 years ago
5 0

Step-by-step explanation:

f(x) = x / (x - 7) = 1 + 7 / (x - 7).

The domain of f(x) depends whether the denominator of the rational expression is non-zero.

When (x - 7) = 0, x = 7.

Hence domain of f(x)

= All real values of x excluding 7. (C)

saveliy_v [14]3 years ago
4 0

Answer:

C. All real values of sucth that x ≠ 7

Step-by-step explanation:

This is the answer because:

1) Set up the composite function and evaluate, then find the domain of the result.

Therefore, the answer is C.

Hope this helps! :D

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How do I find the slope of the line through (–9, –10) and (–2, –5)?
storchak [24]
Answer:
slope of line is 5/7

Explanation:
The slope of the line can be calculated using the following rule:
slope = \frac{y2-y1}{x2-x1}

The given points are:
(-9,-10) which represent (x1,y1)
(-2,-5) which represent (x2,y2)

Substitute with the points in the above equation to get the slope as follows:
slope = \frac{-5-(-10)}{-2-(-9)} = 5/7

Hope this helps :)

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mariarad [96]

Answer:

Average: 3250

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3 0
3 years ago
2b + 5 = 9 what is B
Elodia [21]

Answer:

b = 2

Step-by-step explanation:

Given

2b + 5 = 9 ( subtract 5 from both sides )

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A car is driving at a speed of 40 mi/h. What is the speed of the car in feet per minute? a. 2,400 ft/min b. 211,200 ft/min c. 3,
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Answer:

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