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3 years ago

12

What is the range of this function(–11, 8) (13, 7) (14, 7)

1 answer:

scoray [572]3 years ago

7 0

Answer:

The range is { 7,8}

Step-by-step explanation:

The range of the functions is the output values

We do not list the repeated values more than one and normally list them from smallest to largest

The range is { 7,8}

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Find the solutions <br> x^2=16x-28

ioda

Minus 16x both sides and add 28 to both sides
x^2-16x+28=0
factor
hmm, what 2 numbers multiply to 28 and add to -16
hmm
1 and 28? nope
2 and 14? yep
since middle term is negative and last tem is positive, both of the factors are negative

(x-14)(x-2)=0
set each to zero
x-14=0
x=14

x-2=0
x=2

x=2 and 14

7 0

3 years ago

An electric bill in May was $112.00. In June, the bill was $163.00. What is the percent of increase, rounded to the nearest tent

laila [671]

Answer:

d. 45.5%

Step-by-step explanation:

7 0

4 years ago

The perimeter of a fence must be no larger than 500 feet in length. The longer side of the fence must be 10 feet more than twice

Lady bird [3.3K]

Answer:

<em>The shortest side of the fence can have a maximum length of 80 feet</em>

Step-by-step explanation:

<u>Inequalities</u>

To solve the problem, we use the following variables:

x=length of the longer side

y=length of the sorter side

The perimeter of a rectangle is calculated as:

P = 2x + 2y

The perimeter of the fence must be no larger than 500 feet. This condition can be written as:

$2x + 2y \le 500$

The second condition states the longer side of the fence must be 10 feet more than twice the length of the shorter side.

This can be expressed as:

x = 10 + 2y

Substituting into the inequality:

$2(10 + 2y) + 2y \le 500$

This is the inequality needed to determine the maximum length of the shorter side of the fence.

Operating:

$20 + 4y + 2y \le 500$

Simplifying:

$20 + 6y \le 500$

Subtracting 20:

$6y \le 500 - 20$

$6y \le 480$

Solving:

$y \le 480 / 6$

$y \le 80$

The shortest side of the fence can have a maximum length of 80 feet

4 0

3 years ago

Which scenario matches the graph?

liubo4ka [24]

Answer: The cost of hiring a house painter will cost $60 per day

8 0

3 years ago

Select the correct answer.

Iteru [2.4K]

Option A: 6x^2+75x+200 is the correct answer

Step-by-step explanation:

The profit is obtained by subtracting the cost from the revenue.

Given

$R(x) = 6x^2+100x+300\\C(x) = 25x+100$

The Profit function will be obtained by subtracting the cost function from the revenue function

So,

$P(x) = R(x) - C(x)\\= (6x^2+100x+300)-(25x+100)\\=6x^2+100x+300-25x-100\\=6x^2+100x-25x+300-100\\P(x)=6x^2+75x+200$

Hence,

Option A: 6x^2+75x+200 is the correct answer

Keywords: Functions, function operations

Learn more about functions at:

#LearnwithBrainly

6 0

3 years ago