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elixir [45]
4 years ago
6

Is the following graph a function?

Mathematics
1 answer:
alekssr [168]4 years ago
7 0
Check the picture below.

notice that if we run the "vertical line test", the green vertical line there, touches the graph more than once, and for a function, it has to touch it only once, so no dice.

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What value of b makes the polynomial below a perfect square?
Marina CMI [18]
Polynomials are perfect squares when the first term (term x2) and the third term (term 49) are both squares. In order to find the value of b, you must take the square root of the third term and multiply by the exponent in the first term. This means since the sqrt(49) is 7, and 7x2=14; then the correct answer is C. 14.


-- Remember this only works on perfect square polynomials.
6 0
4 years ago
Find the value of the variable using these steps.
Sedaia [141]

Answer:mean you have to switch define

1. Subtraction property of equality

2. Division property of equality

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
the average annual cost of heating a home woth solar energy is $200 with an inital cost of $9000. During the month of may, the s
Leona [35]

Answer: Discounted function will be

C(x)=6750+150t

Step-by-step explanation:

Since we have given that

Initial cost of solar energy = $9000

Average annual cost of heating a home with solar energy = $200

Rate of discount he received on the total cost = 25%

Let the number of year will be t

According to question, we need to write a discounted cost as a function of number of years.

So, our function becomes,

C(x)=\frac{100-25}{100}(9000+200t)\\\\C(x)=\frac{75}{100}(9000+200t)\\\\C(x)=0.75(9000+200t)\\\\C(x)=9000\times 0.75+200\times 0.75t\\\\C(x)=6750+150t

Hence, discounted function will be

C(x)=6750+150t

8 0
4 years ago
What is the value of x makes this equation true? -6x+3=45
Oduvanchick [21]

Answer:

x=-7

Step-by-step explanation:

subtract 3 from both sides

-6x=45-3

-6x=42

divide each term by 6

\frac{-6x}{-6} =\frac{42}{-6}

x=\frac{42}{-6}

simplify

x=-7

3 0
3 years ago
Read 2 more answers
Benwa bicycles 7 miles west to get from his house to school. After school, he bicycles 6 miles north to his friend Dante's house
Viefleur [7K]

Answer:

9.2 miles

Step-by-step explanation:

Patjagorean therom. 6squared plus 7squared equals c squared. 36+49=squared. it would be 9.2

8 0
3 years ago
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