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3 years ago

Given f(x) and g(x) = f(x) + k, look at the graph below and determine the value of k

Mathematics

1 answer:

Bogdan [553]3 years ago

6 0

Answer:

Step-by-step explanation:

k is the y-intercept. In other words, the y-intercept is the point ON the y-axis where the line goes through. Our line goes through the y-axis at 3. So, k = 3. The k value for f(x) is -2, right where the line goes through the y-axis. It will always be that way for lines.

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Given f(x) = x^2 – 3x – 2, what is f(5)?

miskamm [114]

Answer:

$f(5)=8$

Step-by-step explanation:

Given function: $f(x)=x^2-3x-2$

To find $f(5)$ , simply input $x=5$ into the function:

$\begin{aligned}\implies f(5) & =5^2-3(5)-2\\& = 25-15-2\\& = 10-2\\& = 8\end{aligned}$

5 0

2 years ago

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9.4.15

Brilliant_brown [7]

Answer:

250

Step-by-step explanation:

mulitply 28.95 by 4 to get that out of the way, this equals 115.

subtract: 200-115=85

divide: 85/.34

answer:250

3 0

3 years ago

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A photographer is planning to enlarge a photograph by a scale factor of 1:5 . The original photograph has an area of 154 square

uranmaximum [27]

Whenever you are given a scale factor, that factor will apply to each dimension and because area is a two dimensional measurement, you multiply the area by 5 twice (so x5 x5). This means the new area would be 154x5^2. The new area of the photograph is 3850 square inches.

6 0

3 years ago

In a survey, 400 people were asked to choose one card out of five cards labeled 1 to 5. The results are shown in the table. Com

-BARSIC- [3]

Answer:

The value of the experimental probability is greater

Step-by-step explanation:

For the theoretical probability;

the probability that a card with the number 3 is selected is 1/5

We consider that the probabilities of each selection are equal, for the theoretical probability

For the experimental, we simply place the frequency of the selection 3 over the total

that will be 128/400 = 8/25

As we know that 8/25 is greater than 1/5

We can conclude that the value of the experimental probability is greater than that of the theoretical

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3 years ago

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Help? pre cal, will give points

Viktor [21]

Steps to solve:

5x² = 15x

~Subtract 15x to both sides

5x² - 15x = 15x - 15x

~Simplify

5x² - 15x = 0

~Factor left side

5x(x - 3) = 0

~Factors equal 0

5x = 0 and x - 3 = 0

___________

~Simplify 5x = 0

5x/5 = 0/5

x = 0

~Simplify x - 3 = 0

x - 3 + 3 = 0 + 3

x = 3

___________

Thus, the correct answer is 0, 3.

___________

Best of Luck!

4 0

3 years ago