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3 years ago

7

One bus leaves a stop every 9 minute . A second bus leaves the stop every 15 minutes. If they both leave at 1:25 pm, at what tim

e will they next leave together?

1 answer:

Verdich [7]3 years ago

8 0

They will leave at1:70

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Which is the inverse of the function f(x) = x - 9?АО1f-1(x) =x + 9B.f-'(x) = x + 9CO $-+(x) = 9 - *D.F-'-) =-X-9

kirill [66]

To solve for the inverse of the function given;

$f(x)=x-9$

We begin by re-writing the function as follows;

$y=x-9$

To now find the inverse, we interchange y for x, and vice versa, as shown below;

$\begin{gathered} y=x-9 \\ \text{Now becomes;} \\ x=y-9 \end{gathered}$

We now find the value of y;

$\begin{gathered} x=y-9 \\ \text{Add 9 to both sides;} \\ x+9=y-9+9 \\ x+9=y \\ y=x+9 \\ \text{Therefore;} \\ f^{-1}(x)=x+9 \end{gathered}$

ANSWER:

The correct answer is option B;

$f^{-1}(x)=x+9$

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1 year ago

Which best describes the accuracy of Jill’s solution? Jill’s solution is accurate. Jill omitted a factor pair, which affected th

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Jill made an error when writing the factored expression.

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3 years ago

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How many people were in the sample?

ivann1987 [24]

I think the answer is 10...

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4 years ago

Need help please thank you if you help

Alexus [3.1K]

Answer:

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3 years ago

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Step-by-step explanation:

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3 years ago