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TEA [102]
4 years ago
7

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

Mathematics
1 answer:
katrin2010 [14]4 years ago
4 0

Answer:

-2x^2-8x+12 if you meant the second function to be g(x)=5x^2+6x-8

If you didn't mean that please let me know in the comments so I can change my answer

Step-by-step explanation:

f-g=

 3x^2-2x+4

-(5x^2+6x-8)

--------------------

-2x^2-8x+12

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Explain how negative powers of 10 can be helpful when writing and comparing small numbers
Luba_88 [7]

Answer:

See explanation

Step-by-step explanation:

Powers of 10 is a very useful way of writing down large or small numbers.

Instead of having lots of zeros, you show how many powers of 10 will make that many zeros.

When you work with small numbers, you should use the negative powers of 10. Just remember for negative powers of 10, move the decimal point to the left. For example,

0.36=3.6\cdot 10^{-1}\ [\text{Move the decimal point one place to the left}]\\ \\0.036=3.6\times 10^{-2}\ [\text{Move the decimal point two places to the left}]\\ \\0.0036=3.6\times 10^{-3}\ [\text{Move the decimal point three places to the left}]\\ \\...

When comparing small numbers, write these numbers in scientific notation (only one non-xero digit must be before point) and then

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8 0
3 years ago
Find the length of the rectangle side
34kurt
Consider the offered option:
if suppose, that unknown side is '?', then
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2*'?'=4x+12;
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RUDIKE [14]

Answer:

1/2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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