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denpristay [2]
3 years ago
14

The graph of y​ = 5x^6 - 3x^4 + 2x - 9 has at most how many turning​ points?

Mathematics
1 answer:
JulsSmile [24]3 years ago
6 0

Answer:

5

Step-by-step explanation:

The polynomial given is:

y=5x^6 - 3x^4 + 2x - 9

What is the degree of the polynomial?

The degree is the "highest" power of x in the polynomial.

6th power of x

4th power of x

1st power of x

All in the polynomial.

But the HIGHEST degree is 6th, so we call this a 6th order, or 6th degree polynomial.

Now,

Turning Point is the point on the graph where graph changes from increasing to decreasing or decreasing to increasing.

The general rule is that the max number of turning points of a polynomial is "1 less than the degree of the polynomial".

This is a 6th degree polynomial, so AT MOST there can be 5 turning points of the graph.

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Suppose you drive a car 392 miles on one tank of gas. The tank holds 14 gallons of gas. (Assume the car travels the same distanc
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Answer:

Step-by-step explanation:

Suppose you drive a car 392 miles on one tank of gas. The tank holds 14 gallons of gas. This means that

1 gallon of gas would be used to drive 392/14 = 28 miles

a) The number of miles traveled varies directly with the number of gallons of gas used.

Let x =number of gallons of gas you use.

Let y = the number of miles travelled.

Since y varies directly with x, we will introduce a constant of proportionality, k. Therefore,

y = kx

If 28 miles will require 1 gallon of gas, it means

28 = 1×k

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So y = 28x

b) we want to determine how far you can drive with 3.7 gallons of gas.

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6 0
3 years ago
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4 0
3 years ago
Bharat types 20 words/min. How many words can he type in each length of time? a) 5 min b) 30 min c) 23 min
e-lub [12.9K]

Bharat can type words in lengths of time as 100 words, 600 words, and 460 words in 5 minutes, 30 minutes, and 23 minutes respectively.

<h3>What are Arithmetic operations?</h3>

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions.

* Multiplication operation: Multiplies values on either side of the operator

For example 12×2 = 24

Bharat types 20 words per minute which are given in the question.

To determine the number of words can he type in each length of time

We have to multiply the time by his typing speed.

The number of words that can be typed by Bharat in 5 minutes :

⇒ 20 × 5

⇒ 100

The number of words that can be typed by Bharat in 30 minutes :

⇒ 20 × 30

⇒ 600

The number of words that can be typed by Bharat in 23 minutes :

⇒ 20 × 23

⇒ 460

Therefore, He can type words in lengths of time as 100 words, 600 words, and 460 words in 5 minutes, 30 minutes, and 23 minutes respectively.

Learn more about Arithmetic operations here:

brainly.com/question/25834626

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3 0
1 year ago
Hello can someone please help me with this.
otez555 [7]

Answer:

a)

T` {-4,-2}

R` {2,8}

S` {-9,4}

Step-by-step explanation:

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5 0
2 years ago
Solve this: 2-2÷2×2+2​
sergey [27]

Answer:

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Step-by-step explanation:

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