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KonstantinChe [14]
3 years ago
10

Given: f(x) = x - 7 and h(x) = 2x + 3 Write the rule for h(f(x)).

Mathematics
1 answer:
givi [52]3 years ago
6 0
2(x-7)+3=2x-11
so h(f(x))=2x-11
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At noon joyce drove to the lake at 30 mph, but she made the long walk back home at 4 mph. how many hours did she walk if she was
lina2011 [118]
By definition we have the following equation:
 t = d / v
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 d: distance
 v: speed
 For this case we have:
 d / 30 + d / 4 = 17
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 2d + 15d = 17 (60)
 17d = 17 (60)
 d = 60 mi
 Then, the walking time is
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 t = 60/4
 t = 15 hours
 Answer:
 
She walked
 
t = 15 hours
4 0
3 years ago
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Answer:

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Step-by-step explanation:

5(3) = 3(5)

or

x(y) = y(x)

I found this

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8 0
3 years ago
Explain how you would solve for the value of x when you are given the solution to a function.
Svetlanka [38]

Answer:

Substitute

Step-by-step explanation:

Substitute the values given in the function

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3 0
3 years ago
If you can walk 3 1/3 miles in an hour, how many miles can you walk in 30 minutes, given the
Vedmedyk [2.9K]

Answer:

d = 1.67 miles

Step-by-step explanation:

Given that,

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So, the person will cover a distance of 1.67 miles

8 0
3 years ago
Do<br>main of ln(2x+3/×-1)
lozanna [386]
<span>so your equation  would be  2x-3=-1  then your answer would be -1

</span>
7 0
3 years ago
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