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prisoha [69]
4 years ago
6

Does the graph f(x)=-2x^2 -1 have a maximum or a minimum? Explain.

Mathematics
1 answer:
Serga [27]4 years ago
8 0

Answer:

It has a maximum

Step-by-step explanation:

The way I think about it is looking at "a" (the leading variable's coefficient, so __x²), if it's negative, the graph is a frown, but if it's positive, it's a smile. In this case, a is -2, so the graph would have the shape of a frown, which has a maximum.

I hope this helped!

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If Mary divides one third of a pound of coconut equally between 8 desserts, how much goes into each dessert?
GarryVolchara [31]

Answer:

2/3 ounces

Step-by-step explanation:

one pound is 16 ounces

1/3 of 16 ounces is 16/3

(16/3) ÷ 8 = (16/3) * (1/8) = 2/3

8 0
2 years ago
How I start step by step
valentina_108 [34]
It’s finding the area but with more numbers so start from the bottom and work your way up
3 0
3 years ago
Alexis scale drawing represents the longest side of the storage bin as 2 3/4 inches. What is the actual length, in feet, of the
Whitepunk [10]

Answer: The correct answer is C,

5 1/2 feet

Step-by-step explanation:

Alexis' scale drawing represents the longest side of the storage bin as 2 3/4 inches. Converting to improper fraction, it becomes 11/4 inches. This is also 2.75 inches.

The scale used is 1/2 inch = 1 feet. This means that a length of 1 feet of the longest side of the actual storage bin is 1/2 inch on the drawing.

Let the actual length, in feet of the longest side of the storage bin be x feet. Therefore

If 0.5 inch = 1 feet

2.75 inch = x

0.5x = 2.75 × 1

x = 2.75/0.5 = 5.5 feet

6 0
4 years ago
A. f(x)=1/x+4<br> b.f(x)=1/x-4<br> c.f(x)=1/x+4<br> d.f(x)=1/x-4
romanna [79]

Answer:

The correct answer is c. f(x) = 1/(x + 4)

Step-by-step explanation:

We can tell this because as the bottom of the equation (x + 4) approaches 0, the equation gets larger and larger.

Also, you can note that -4 is a asymptote, which can only be from the bottom of the equation being equal to 0. This is only true in option c.  

7 0
3 years ago
If f(x) = 2x + 3, what is f(–2)?
Mumz [18]

Substitute -2 for x

f( - 2) = 2( - 2) + 3 \\ y =  - 4 + 3 \\ y =  - 1

Hope it helps

Please give brainliest

7 0
2 years ago
Read 2 more answers
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