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3 years ago

7

What are the critical points for the inequality x^2-4/x^2-5x+6 < 0? D is the correct Answer!

2 answers:

erastovalidia [21]3 years ago

5 0

Could you kindly be more specific in your question? It would make it a lot easier to answer. Thanks!

mojhsa [17]3 years ago

3 0

The critical points of a function are the values of x, for which the function is equal to zero.
Given the inequality

A rational function is said to be equal to zero when the numerator is equal to zero.
Thus

Therefore, the critical point of the inequality is x = -2 and x = 2.

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What is the slope of the linear equation y=x+10

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Answer:

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The equation of a line in slope- intercept form is

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3 years ago

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According to the stem-and-leaf plot above, how many trees are less than 640

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3 years ago

Ashley ate Mexican food 4 out of 7 days on her vacation. If her vacation was 35 days, how many days did she eat Mexican food?

lina2011 [118]

The number of days Ashley ate Mexican food while on vacation is 20 days.

<h3>How many days did Ashley eat mexican food?</h3>

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2 years ago

How many different passwords are possible if each password consists of six characters where each character is either an uppercas

irga5000 [103]

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3 years ago

The cost (c) to hire a dog trainer is varies directly with the amount of time (h) in hours spent training the dog.

NNADVOKAT [17]

Answer:

Part A) The proportional equation is $c=55h$

Part B) 8 hours of training

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

Let

c -----> the cost to hire a dog

h ----> the amount of time in hours

The linear equation is equal to

$c=kh$

Sue spent $660 on 12 hours of obedience training for her dog Muffin

Find the value of k (constant of proportionality)

$k=y/x$

substitute the values

$k=660/12=55$

therefore

The linear equation is

$c=55h$

For $c=\$440$

Find the value of h

substitute in the equation and solve for h

$440=55h$

$h=440/55=8\ hours$

5 0

3 years ago