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3 years ago

12

You and two friends are making a gift basket. You want to keep the cost below $15 per person. Write and solve a inequality that

represents the total cost of the gift basket.

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

C < or = to $45

Theres no less than/equal to button on my phone

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matrenka [14]

Answer:

7

Step-by-step explanation:

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likoan [24]

ANSWER:

$\:D.\text{ }f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge-4$

STEP-BY-STEP EXPLANATION:

We have the following equation:

$f(x)=\sqrt{x}-4$

The inverse is the following (we calculate it by replacing f(x) by x and x by f(x)):

$\begin{gathered} x=\sqrt{f^{-1}(x)}-4 \\ \\ \sqrt{f^{-1}(x)}=x+4 \\ \\ f^{-1}(x)=(x+4)^2 \end{gathered}$

The domain would be the range of the original equation, and it would be the range of values that f(x) could take, which was from -4 to positive infinity, that is, f(x) ≥ -4.

Therefore, the domain is x ≥ -4.

So the correct answer is D.

$\:f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge -4$

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1 year ago

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Oduvanchick [21]

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Step-by-step explanation:

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3 years ago

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What is the solution to -3/4 x + 2 ≤ -7 ?

Dvinal [7]

Answer:

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Step-by-step explanation:

Step 1: subtract 2 from both sides

Now you have; -3/4 x ≤ -9

Step 2: divide both sides by -3/4

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