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LuckyWell [14K]
3 years ago
7

Is this an increasing function or a decreasing function?

Mathematics
1 answer:
olga55 [171]3 years ago
7 0

Answer:

Increasing

Step-by-step explanation:

The x-axis is the "time", and

The y-axis is the "water level".

  • As we go right in the x axis, the y axis increases. This is an example of increasing function.
  • As we go right in the x axis, the y axis decreases. This is an example of decreasing function.

In the line shown, as we go right in the x-axis (time axis), we see that the value of y axis (water level) increases (rises). According to the definition, we can clearly say that this function is increasing.

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How do you solve and graph -82 is less than or equal to 9x OR -1 is less than or equal to -28
vovikov84 [41]
Since -1\nleq-28, you can eliminate this part.

So you're left with
-82\leq9x
⇒9x\geq-82
⇒x\geq-\frac{82}{9}

which is about -9.11111...
5 0
3 years ago
What is the factored form of x2 – x – 2? (x – 2)(x 1) (x 2)(x 1) (x – 2)(x – 1) (x 2)(x – 1)
Alexxx [7]

A quadratic equation is an equation whose leading coefficient is of the second degree. The factored form of the quadratic equation x²-x-2 is (x+1)(x-2).

<h3>What is a quadratic equation?</h3>

A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers.

It is written in the form of ax²+bx+c.

The factored form of the quadratic equation can be done in the following manner,

x^2-x-2\\\\= x^2-2x+x-2\\\\=x(x-2)+(x-2)\\\\=(x+1)(x-2)

Thus, the factored form of the quadratic equation x²-x-2 is (x+1)(x-2).

Learn more about Quadratic Equations:

brainly.com/question/2263981

8 0
2 years ago
Factorise the following quadratic equations ​
vesna_86 [32]

Answer:

see explanation

Step-by-step explanation:

In 13 - 17

Consider the factors of the constant term which sum to give the coefficient of the x- term

13

x² - x - 42 = (x - 7)(x + 6)

15

x² + x - 6 = (x + 3)(x - 2)

17

x² - 27x + 50 = (x - 25)(x - 2)

19

r² - 25 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b) , thus

r² - 25

= r² - 5² = (r - 5)(r + 5)

5 0
3 years ago
Read 2 more answers
One half of a number increased by 1.5 times the same number is equal to forty. Find the number
Soloha48 [4]
1/2(2.5x)=40
2.5x=80
x=32
the number is 32
5 0
3 years ago
What is the least common demoninator for the fractions
vlabodo [156]

Answer:

The least common denominator is 6.

Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
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