What is the value of x?

Solve. High school pre-cal

Oliga [24]

Answer:

<em>Answer: Quadrant 4</em>

Step-by-step explanation:

<u>Graph of Functions </u>

Let's analyze the function

$\displaystyle y=\frac{x^2+3x}{x+1}$

To better understand the following analysis, we'll factor y

$\displaystyle y=\frac{x(x+3)}{x+1}$

For y to have points in the first quadrant, at least one positive value of x must produce one positive value of y. It's evident that any x greater than 0 will do. For example, x=1 will make y to be positive in the numerator and in the denominator, so it's positive

For y to have points in the second quadrant, at least one negative value of x must produce one positive value of y. We need two of the factors that are negative. It can be seen that x=-2 will make y as positive, going through the second quadrant.

For the third quadrant, we have to find at least one value of x who produces a negative value of y. We only need to pick a value of x that makes one or all the factors be negative. For example, x=-4 produces a negative value of y, so it goes through the third quadrant

Finally, the fourth quadrant is never reached by any branch because no positive value of x can produce a negative value of y.

Answer: Quadrant 4

8 0

3 years ago

Problem Page Jessica's boat has a top speed of 6 miles per hour in still water. While traveling on a river at top speed, she wen

stealth61 [152]

I think it is 3:1 so tell me if it is wrong

6 0

3 years ago

A hallway measuring 90 feet x 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution

Vilka [71]

315 fluid ounces of solution

7 0

3 years ago

The sum of two numbers is 90. The larger

Jobisdone [24]

Answer:

Small number = 19

Larger no. = 3(19)+14 = 71

Step-by-step explanation:

x + 3x + 14 = 90

4x + 14 = 90

4x = 90 - 14

x = 76 / 4 = 19

8 0

3 years ago

A manager of a grocery store wants to determine if consumers are spending more than the national average of $150 with a standard

Semmy [17]

Answer:

A.) The manager calculated mean and not standard deviation

B.) Standard deviation should be calculated with the use of formula.

Step-by-step explanation:

A.) The assumption that his customers do spend more than the national average is wrong because the standard deviation is not calculated and mean cannot be used as a substitute for standard deviation.

B.) Standard deviation tells us how value obtain from group measurement deviates from the average value or expected value of each item of observations.

When standard deviation is low, this show that the value is very close to the expected value or the average value.

If the national average value = $150 and average customer spends $160.

Deviation = 160 - 150 = 10

This is lower than $30

Or better still, the manager should make use of standard deviation formula. Which is the square root of variance.

8 0

3 years ago