3 years ago

1 minus 2 over x minus 3 over x squared divided by 1 minus 9 over x squared

1 answer:

8 0

Are you familiar with PEMDAS?

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barxatty [35]

Answer:

6 or 6/1

Step-by-step explanation:

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3 years ago

Colt1911 [192]

Answer:

-20...........................

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1 year ago

snow_tiger [21]

Last one!
explanation is I remember having this question and studying this bad in middle school :)

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3 years ago

galben [10]

Answer:

-4

Step-by-step explanation:

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3 years ago

bekas [8.4K]

Plug in $k-1$ to each $x$ in the function.

$f(k-1)=5(k-1)^2+4(k-1)-5$

$f(k-1)=5(k^2-2k+1)+4k-4-5$

$f(k-1)=5k^2-10k+5+4k-4-5$

$f(k-1)=5k^2-6k-4$

Hope this helps.

頑張って!

5 0

3 years ago