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Chapter 8: Q8. (page 400)

Write an inequality represented by the graph.

Short Answer

Expert verified

The inequality x鈮�-5 represents the given graph.

Step by step solution

01

Step 1. Given Information.

Graph of an inequality:

02

Step 2. Calculation.

We have been given a number line inequality. We can see the arrow on the number line points to all values greater than or equal to -5.

We can also see that the point at -5 is filled in, so our given graph represents everything greater than or -5.

Upon representing our given information in an inequality, we will get:

x鈮�-5

Therefore, the inequality x鈮�-5 represents our given graph.

03

Step 3. Conclusion.

The inequality x鈮�-5 represents the given graph.

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Most popular questions from this chapter

To form the inverse of a relation represented by a set of ordered pairs, you switch the coordinates of each ordered pair. For example, the inverse of relation. 1,2,3,4,5,6is2,1,4,3,6,5. Give an example of a relation that is a function, but whose inverse is not a function.

A skydiver uses an altimeter to track altitude so that he or she knows when to open the parachute. The altimeter determines altitude by measuring changes in atmospheric pressure. The graph below shows how pressure varies with altitude as a skydiver falls from 12,000 feet to ground level. (The elevation of the ground is assumed to be 0 feet with respect to sea level.)

  1. As a skydiver fall, does the atmospheric pressure increases or decreases?
  2. Describe the domain and range of the relation represented by the graph.
  3. Is the relation a function? Explain.
  4. Some altimeters can sound an alarm warning a skydiver to open the parachute when the altitude falls to a certain level. If the alarm is set to go off at an altitude of 3000 ft, approximately what atmospheric pressure will trigger the alarm?

Graph the equation.

x=-1.

The height of a person is measured every year from the age of 1 year to the age of 50 years.

  1. Do the ordered pairs age,height represent a function? Explain.
  2. Would you expect the ordered pairs height,age to represent a function? Why or why not?

Find the value of athat makes the ordered pair a solution of the equation.

y=-3x-1;a,5
See all solutions

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