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FinnZ [79.3K]
3 years ago
13

When writing the range or domain of a function, how do i know when to use () or []?

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
5 0

Answer:

jnijnjni

Step-by-step explanation:

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Given that f(x)= 3x^2-5x +3 and g(x)= -x^2 + 17 find (f-g) (x)
Sliva [168]
4x^2-5x-14 is your answer :)
3 0
3 years ago
2d+4=10+2.5d<br><br> Help Me
sergiy2304 [10]
Subtract 2d from both sides

simplify 10 + 2.5d - 2d to 10 + 0.5d

subtract 10 from both sides

simplify 4 - 10 to -6

divide both sides by 0.5

simplify 6/0.5 to 12

switch the sides

Answer: d = -12.
6 0
3 years ago
I really need help!!!
Zigmanuir [339]

Answer:

Pr = 6.67\%

Step-by-step explanation:

Given

n = 10 i.e. 10 people

Required

Probability of being next to each other

First, we calculate the total possible arrangements (without any restriction)

Total = n!

Total = 10!

If the three are to be next to each other,

First, we arrange the three

r_1 = 3!

Now, the 3 will be seen as 1; so, we have a total of 8 people i.e. (1 + 7 others)

The arrangement is:

r_2 =8!

So, the total arrangement, when they have to be next to one another is:

r = r_1 * r_2

r = 3! * 8!

The probability is:

Pr = \frac{r}{n}

Pr = \frac{3! * 8!}{10!}

Expand

Pr = \frac{3*2*1 * 8!}{10*9*8!}

Pr = \frac{3*2*1}{10*9}

Pr = \frac{6}{90}

Pr = 0.0667

Express as percentage

Pr = 0.0667 * 100\%

Pr = 6.67\%

8 0
2 years ago
Help on threethx so much
Maru [420]

The answer is 1.5. We can find this by arranging the data set from least to greatest, 011234, and then finding the middle number. Since the amount of spaces is even, we need to find the number in between 1 and 2. The answer is 1.5!

Please mark brainliest.

Hope this helps!


3 0
3 years ago
Help help help help help
Volgvan

Answer:

81 feet

Step-by-step explanation:

Use the Pythagorean theorem: a^{2} + b^{2} = c^{2}

a,b and c are referring to the sides of the triangle; c is the hypotenuse.

15^{2} - 12^{2} = 9^{2} = 81

3 0
3 years ago
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