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Mamont248 [21]
2 years ago
12

1.) Is f(x)=2x^3 + 2x and odd function

Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
8 0

Answer:

yes, no, no

Step-by-step explanation:

For odd functions : −f(x) = f(−x) for all x

For even functions :f(x) = f(−x) for all x

1) -f(x)= -2x^3 -2x

f(-x) = -2x^3-2x

yes

2 ) f(-x) = 5x^3 -4 ≠ f(x)

no

3  )  f(-x) = -4x -4   ≠ f(x)

no

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-5y = -5
Vsevolod [243]

-5y = -5 = 1

7x + 6y = 7

=-1.167

your answer is B) no

4 0
3 years ago
The expression 50w+400 represents the amount of money Jenny has in her savings account after an unknown number of weeks. How muc
Sloan [31]

She originally had $400 in her bank account.

The 50w represents the amount she will put away each week.

3 0
3 years ago
Henry is up for retirement after 35 long years at his pharmacy. Before retiring, he would like to know how much he would receive
satela [25.4K]

To find how much Henry can expect to receive from Social Security on a monthly basis, we first need to find how much he cant expect to receive from social security per year.

We know form our problem that Henry averaged an annual salary of $45,620, so to find how much can Henry expect to receive from Social Security per year, we just need to find the 42% of $45,620.

To find the 42% of $45,620, we are going to convert 42% to a decimal by dividing it by 100%, and then we are going to multiply the resulting decimal by $45,620:

\frac{42}{100} =0.42

Social security annual payment = (0.42)($45,620) = $19,160.40

Since there are 12 month in a year, we just need to divided the social security annual payment by 12 to find how much he can expect to receive each month.

Social security monthly payment = \frac{19,160.40}{12} = $1.596.70

We can conclude that Henry can expect to receive $1.596.70 monthly from Social Security.

3 0
3 years ago
Read 2 more answers
4(3x+2)-2 <br> find x show how you did it
olganol [36]

Answer:

Multiply 4 to the terms inside the parentheses.

(12x+8)-2

Remove the parentheses and equate it to zero.

12x+8-2 = 0

Simplify

12x+6 = 0

Transpose 6 to the other side.

12x = -6

Divide bith sides by 12.

12x/12 = -6/12

Simplify.

x = -6/12 or -½

5 0
3 years ago
Twenty-one goats were shown in the county fair. This was seven less than four times the number of horses shown. How many horses
Solnce55 [7]

Answer:

H=horse

H=4(21-7)

Step-by-step explanation:

H=4(21-7)

H=4(14)

There were 56 horses.

6 0
3 years ago
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