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3 years ago

Describe the x-values at which the function is differentiable. (enter your answer using interval notation.) y = |x2 − 25|

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

4 0

Answer:

Differentiable on the intervals (-∞, -5) ∪ (-5 , 5) ∪ (5 , ∞)

Step-by-step explanation:

The graph will look like a W shape whose vertices are at x = -5 and x = 5. The function is not differentiable at these values.

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Bentley is deciding between two landscaping companies for his place of business company A charges $40 per hour and $175 equipmen

maksim [4K]

Answer:

A = 40x + 175

B = 50x + 125

5 hours

Step-by-step explanation:

The equations are as follows:

According to the question

Let us assume the number of hours be x

For company A

40x + 175

For company B

50x + 125

Now equate these two equations

40x + 175 = 50x + 125

175 - 125 = 10x

x = 5

Hence, the number of hours is 5

8 0

3 years ago

In 1993 president Clinton received an average of 25,000 letters per day if an average month has 30 days how many letters did he

sergey [27]

Answer:

he received about 750,000 letters a month.

Step-by-step explanation:

multiply the letters received per day=25,000

by the number of days in the month=30

so: 25,000 × 30= about 750,000 letters

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3 years ago

What is the answer to 8x + 15 = 3m + 5

Naddika [18.5K]

Solving for x
x=3/8m-5/4,m

Solving for m
m=10/3+8/3x,x

3 0

4 years ago

What is 3x - 6/ 3 + 9=18?

Sergeu [11.5K]

Answer:

x=11/3 or x=3.666666

Step-by-step explanation:

5 0

4 years ago

This is a polygon with three sides.

poizon [28]

Answer: A three-sided polygon is a triangle.

There are several different types of triangle (see diagram), including: Equilateral – all the sides are equal lengths, and all the internal angles are 60°. Isosceles – has two equal sides, with the third one a different length.

Step-by-step explanation:

6 0

3 years ago