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3 years ago

5

What are the roots of the graphed function

2 answers:

iris [78.8K]3 years ago

7 0

Blurry, but appears to be x=(1,5)

If my eyes are not seeing it clearly, it will just be the x values when y=0, or where the curve intersects the x-axis...

kenny6666 [7]3 years ago

5 0

The answer is: [C]: x = {1, 5} .
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Write the number 4.2 x 10^2 in standard form.

Sav [38]

Answer:

420 (lol)

Step-by-step explanation:

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4 years ago

If f(x) = x + 7 and g(x) = 1 / x - 13, whaf is the domain of (f°g)(x)?

ZanzabumX [31]

Answer: Choice D) x can be anything but 13

========================================================

Explanation:

The domain of $(f \circ g)(x) = f(g(x))$ is the same as the domain of g(x)

The domain for g(x) is $\{x|x \ne 13\}$ saying we can plug in any number we want as long as it's not 13. This is to avoid dividing by zero. The same domain applies for the composite function because

$f(x) = x+7\\\\\\f(g(x)) = g(x)+7\\\\\\f(g(x)) = \frac{1}{x-13}+7\\\\\\(f \circ g)(x) = \frac{1}{x-13}+7\\\\\\$

and we can see that we still need to kick out x = 13 from the domain to avoid the division by zero issue.

6 0

3 years ago

What is the surface area of the box if it is scaled up by a factor of 10? The surface area is: 736 cm. Lenght: 12 cm. Width: 4 c

grandymaker [24]

739*12*4*20=71,000 divded by 2=36,000

6 0

4 years ago

There are 7 days in 1 week. Some months consist of 30 days. How many weeks are there in 280 days.

notsponge [240]

There are 40 weeks in 280 days

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3 years ago

If i start my trip driving at x mph for a hours and then go 5 mph slower for the next 2 hours what is the total distance i trave

Darya [45]

Total distance travelled = (x.a + 2x -10) miles .

How to solve such time related questions?

The key concept for solving such questions is the relationship between speed, distance and time.

The relationship between them is Distance = Speed X Time

The whole trip can be divided into two parts

Part 1 :- Speed = x mph and time = a hours

∴ Distance = x .a miles

Part 2 :- Speed = x -5mph and time = 2 hours

∴ Distance =(x-5).2 = (2x -10)miles

Total distance = (x.a + 2x -10) miles

Learn more about Distances here :

brainly.com/question/6716662

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4 0

2 years ago