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2 years ago

Determine the range of the following graph:

Mathematics

1 answer:

Alex Ar [27]2 years ago

8 0

Answer:

-9≤y≤0

Step-by-step explanation:

-4≤x≤4 DOMAIN

-9≤y≤0 RANGE

I'm pretty sure this is correct but I haven't done it in a while

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If f(x) = 2x - 9, which of the following are correct? Select all that apply. f(-1) = -11 f(2) = 5 f(3) = -3 f(0) = -9 f(-3) = 15

Yuri [45]

f(-1) = -11 and f(3) = -3 . these functions are true .

What does a math function mean?

A relationship between a group of inputs and one output each is referred to as a function.
A function is an association between inputs in which each input is connected to precisely one output.
A domain, codomain, or range exists for every function. f(x), where x is the input, is a common way to refer to a function.
In mathematics, a function is an expression, rule, or law that establishes the relationship between two variables (the dependent variable).

given function f(x) = 2x - 9

f(-1) = -11 ⇒ x = -1 put in function

f( -1 ) = 2 * -1 - 9 ⇒ - 11

f(2) = 5 ⇒ x = 2 put in function

f( 2 ) = 2 * 5 - 9 = 1

f(3) = -3 ⇒ x = 3 put in function

f ( 3 ) = 2 * 3 - 9 = -3

f(-3) = 15 ⇒ x = -3 put in function

f( -3) = 2 * -3 - 9 = - 15

Learn more about function

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3 0

11 months ago

Please answer this quick!I'm running out of time!

const2013 [10]

60%. That is the probability.

6 0

2 years ago

You and your friend mix water and cirtic acid. You add 3 cups of citrtic acid for every 16 cups of water Your friend adds 2 cups

Vlad [161]

Answer:

A's mixture is more acidic.

Step-by-step explanation:

Given:

Two friends mix water and citric acid.

One (Let A) add 3 cups of citric acid for every 16 cups of water and another (Let B)adds 2 cups of citric acid for every 12 cups of water.

Now, we have to find that whose mixture is more acidic means:-

Solution:

A add 3 cups of citric acid for every 16 cups of water, the ratio = $\frac{3}{16}$

B adds 2 cups of citric acid for every 12 cups of water = $\frac{2}{12}$

Now, to find that who mix more citric acid in the mixture, firstly we will equalize the denominator of both fraction by taking LCM so that can be compare easily.

LCM of 16 and 12:- 48

16 - 16, 32, 48, 64, 80, 96....

12 - 12, 24, 36, 48, 60, 72.......

For friend A - $\frac{3\times3}{16\times3} =\frac{9}{48}$

For friend B - $\frac{2\times4}{12\times4} =\frac{8}{48}$

We found that in terms of 48 cups of water, friend A mixes 9 cups of acid while friend B mixes 8 cups of acid, means A is adding more acid than B and hence friend A's mixture is more acidic.

4 0

3 years ago

Good morning everyone! Can someone please tell me if the answer I got for this question is correct. I'm not sure and I wanna mak

Vika [28.1K]

Answer:

80 degrees.

Step-by-step explanation:

The arc PS = 2 * the angles subtended by PS ( that is < PRS)

= 2 * 40 = 80 degrees.

5 0

3 years ago

What is a factors for -12

Rzqust [24]

Answer:

4-16= -12

16-28= -12

Step-by-step explanation:

frognj;ghgrue;jnvougheruo'gln

4 0

2 years ago