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tatyana61 [14]
3 years ago
12

What is the range of the quadratic function f(x)=2-x^2

Mathematics
1 answer:
dimulka [17.4K]3 years ago
7 0
(-infinity, 2]. Use the infinity symbol and not the word
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6 in.
asambeis [7]

Answer:

152 square inches

Step-by-step Explanation:

To answer this, please look at the picture below. We can find the area by separating and combine the value of areas after calculating three values for each areas. (Notice that when we separate them, we get three rectangles which we can use the formula of width × length)

We should get 80+48+24 which add up to 152.

In case if you are confused which parts you don't understand in these photos, you can ask in the comment.

5 0
2 years ago
Joel can either work 2 days for 11 hours each day or 4 days for 6 hours each day. He takes the bus for $2.25 each way. On days h
Oxana [17]
Joel's work makes $9.50/ hr. During the 2 Day, 11 hrs shift, he earns a total of $217.55 but spends a cash of $9 on his bus. Therefore, the money left is $208.55. While on his 4 day, 6 hrs shift, he earns a total of $228 but spends $18, with a total money of $210. The option that he should take to make the most money is the 4 days for 6 hrs shift. 
7 0
3 years ago
Mis Meyer's paid $3600 all together for the equipment, furniture and decorations for her restaurant. The equipment cost $500 mor
Tju [1.3M]

Answer:

The equipment will cost $1740.

Step-by-step explanation:

Let the Cost of equipment, furniture and decoration be x, y and z.

Now, According to question,

x + y + z = 3600 ...... (1)  (cost of all items)

x = 500 + y (∵ equipment cost 500 more than furniture)

and y = 2z ( ∵ furniture twice as much as decoration)

so, z = y/2

Now substituting the value of x and z in eq (1)

x + y + z = 3600

500 + y + y + \frac{y}{2} = 3600

2y + \frac{y}{2} = 3600 - 500

\frac{5y}{2} = 3100

y = \frac{3100\times 2}{5} = 1240

So, the cost of furniture (y) = 1240

∴ Cost of equipment = y + 500 = 1240 + 500 = 1740

Therefore the cost of equipment was $1740.

3 0
3 years ago
how much money should I deposited today in an account that earns 5% compounded semiannually so that it will accumulate to 12,000
Nookie1986 [14]
800 or 2400 not sure which
6 0
3 years ago
When a business buys a fast food franchise, it is buying the recipes used at every restaurant with the same name. For example, a
den301095 [7]

Answer:

1 cup

Step-by-step explanation:

1/4= 6/24

1/3= 8/24                    --------

1/6= 4/24                    --------             24/24 = 1

1/8= 3/24                    

1/8= 3/24

8 0
3 years ago
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