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pychu [463]
3 years ago
7

Determine the domain and range of F(x)=2(x+1)^2-3

Mathematics
2 answers:
alexdok [17]3 years ago
6 0
Domain is 0
range is -1
ollegr [7]3 years ago
3 0

Answer:  domain: all real numbers.  range: [-3, infinity)

Step-by-step explanation:

We've got f(x) = 2(x+1)^2 - 3.

You can plug in any number for x without a problem, so the domain is all real numbers, written \mathbb R.

If you graph the function, you can see it touches -3 but cannot go lower; however, it can reach anything higher than -3. Therefore the range is [-3, \infty).

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I think its missing info?
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Sam needs 5/6 cups of mashed bannanas and 3/4 cups of strawberries.He wants to see if he needs more bannanas or strawberries.How
anygoal [31]

Answer:

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Step-by-step explanation:

Find the GCF of the denominators, which is 12.

4 0
3 years ago
Derek says that the quotient of -2/7 divided by -2/21 is -1/3. Part A: What is the correct quotient? Part B: What mistake did De
Thepotemich [5.8K]

Answer:

The correct quotient is 3.

I think Derek has mistaken to divide -\frac{2}{21} by \frac{2}{7}.

Step-by-step explanation:

We have to check the quotient of (-\frac{2}{7})  \textrm{ divided by }(-\frac{2}{21}).

Part A:

Now, (-\frac{2}{7})  \textrm{ divided by }(-\frac{2}{21}).

= \frac{-\frac{2}{7} }{-\frac{2}{21} } =3

So, the correct quotient is 3.

Part B:

Derek says that the quotient is -\frac{1}{3}.  

So, I think Derek has mistaken to divide -\frac{2}{21} by \frac{2}{7}. (Answer)

8 0
3 years ago
Solve for x.<br><br> x / 4 ≥ - 8
MariettaO [177]

Answer:

x \geqslant ( - 32) \:  \:  \: \:  or \:  \:  \:  \: ( - 32) \leqslant x

Step-by-step explanation:

\frac{x}{4}  \geqslant  - 8 \\ x \geqslant  - 8 \times 4 \\ x \geqslant  (- 32) \\

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3 years ago
Sandile bought 58 pies, each pie cost R68 each. estimate the total price of the pies..​
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All you have to do is multiply 58 x 68 to get the answer.
( hope this helped! )

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