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yawa3891 [41]
3 years ago
11

Determine the intervals on which the function is increasing, decreasing, or constant.

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
5 0
Hello: by graph
answer : 1
steposvetlana [31]3 years ago
3 0

Answer:

Increasing on (-4, 2) and (1, 3); Decreasing on (-2, 1).

Step-by-step explanation:

The function is said to be increasing function if as the value of x increases, then the value y also increases.

The function as a decreasing function if as the value of x increases, y decreases or vice-versa.

And the function is said to be constant if as x increases the value of y remains the same or vice-versa.

Here, Function is increasing from (-4, -4) to (-2, 4.5) and from (1, 0) to (2, 8)

and function is decreasing from (-2, 4.5) to (1, 0).

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I need the set up and I'm solving for x, please help.
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A cell phone company $500 for a new phone and $60 for a monthly plan. If C(t) is a rational function that represents the average
lisov135 [29]

The range of a function is the set of possible values that can be obtained from the dependent variable. The range of the function is: R: (500, \infty)

Given that:

Phone = \$500

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Let the number of months be t. So, the function C(t) is calculated as follows:

C(t) = Phone + Monthly\ Plan \times t

C(t) = 500 + 60 \times t

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The range is calculated as follows:

The smallest possible value of t is 0 i.e. when no monthly subscription is done.

So, we have:

C(0) = 500 + 60\times 0= 500 + 0 = 500

And the highest is \infty i.e. for a large value of t

So, we have:

C(\infty) = 500 + 60\times \infty= 500 + \infty = \infty

Hence, the range of the function is:

R: (500, \infty)

Read more about range of functions at:

brainly.com/question/13824428

5 0
2 years ago
What is the equation of the line that passes through the point (-4,-2) and has a slope of -1/2
vampirchik [111]

Answer: y=-1/2x-4

Step-by-step explanation:

If you use point slope formula you get

y+2=-1/2(x+4)

simplify that in y=mx+b and you get

y=-1/2x-4

4 0
3 years ago
How to solve this polynomial<br> 4=2(x+3)​
liubo4ka [24]

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You are trying to figure out what the missing number is that will make 4

so we know that only 2 plus or multiplied by 2 can =  4

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4 = 2 ( -1 + 3)

4 = 2 (2)

2 * 2 =4

4 = 4

6 0
3 years ago
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