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Alex777 [14]
3 years ago
5

Is y=3x^2-x-1 a function

Mathematics
1 answer:
NARA [144]3 years ago
7 0

Answer: Yes it is a function.

This is because any x input leads to exactly one y output.

The graph passes the vertical line test. It is impossible to draw a single vertical line through more than one point on the parabolic curve.

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Please help me !! ASAP!
Anettt [7]

Answer:

3√265

Step-by-step explanation:

The distance between the given points is √265. If all the side are the same length on an equilateral triangle, then the perimeter is 3 times as long.

3 0
3 years ago
What is the discriminant of the polynomial below
mr_godi [17]
The answer is a=0. I hope I helped
5 0
3 years ago
1. In a 30-60-90 triangle, the length of the hypotenuse is 6. What is the length of the shortest
PIT_PIT [208]

Answer:

b. 3

Step-by-step explanation:

In a 30°-60°-90° triangle, the short side is ½ the hypotenuse [the long side is double the short side].

30°-60°-90° Triangles

x√3 → long side

x → short side

2x → hypotenuse

45°-45°-90° Triangles

x → two legs

x√2 → hypotenuse

I am joyous to assist you anytime.

3 0
3 years ago
Select the correct answer. Which statement about an electromagnet is true? A. It doesn’t function without a source of current. B
zubka84 [21]

Answer:I’m going to say it’s A I apologize if it’s wrong

Step-by-step explanation:

Magnets are magnetic fields that compares together when attracted close to one another so that’s Why I’m choosing A because it’s close to what I think

3 0
3 years ago
Whats 4n = 880.4's solution??
vodka [1.7K]

Answer:

n = 220.1

Step-by-step explanation:

  • 4n = 880.4
  • n = 880.4 ÷ 4
  • n = 220.1

the value of n is 220.1

6 0
2 years ago
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