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aniked [119]
3 years ago
11

What is the scale factor of the dilation below? 28 20 Im faction form !?

Mathematics
1 answer:
Monica [59]3 years ago
8 0

Answer:

7/5

Step-by-step explanation:

Both of these are divisible by four. You want to get the smallest fraction possible.

28÷4=7

20÷4=5

You would have 7/5 and that is the smallest fraction you can get for your scale factor.

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Step-by-step explanation:

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3 years ago
Given the function f(x) = 3x, find the value of f−1(27). f−1(27) = 1 f−1(27) = 3 f−1(27) = 9 f−1(27) = 81
Mariulka [41]
Fun fact
if f(a)=b then f⁻¹(b)=a
so
if f⁻¹(b)=a then f(a)=b
 
so we find f(x)=27 and the solve for x

f(x)=3x=27
3x=27
divide both sides by 3
x=9

so if f(9)=27 then f⁻¹(27)=9
problem solved

answer is 9
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Step-by-step explanation:

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