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disa [49]
3 years ago
6

Which of the following is not an equation of a simple, even polynomial function? y = | x | y = x2 y = x3 y = -x2

Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0

Answer:

The equation y=x^3 is not an equation of a simple , even polynomial function.

Step-by-step explanation:

Even  function : A function  is even when its graph is symmetric with respect to y-axis.

Algebrically , the function f is even if and only if

f(-x)=f(x) for all x in the domain of f.

When the function does not satisfied the above condition then the function is called non even function.

f(x)\neq f(-x)

Now , we check given function is even or not

A. y= \mid x\mid

If x is replaced by -x

Then we get the function

f(-x)=\mid -x \mid

f(-x)=\mid x \mid

Hence, f(-x)=f(x)

Therefore , it is even  polynomial function.

B. y=x^2

If x is replace by -x

Then we get

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

f(-x)=x^2

Hence, f(-x)=f(x)

Therefore, it is even polynomial function.

C. y=x^3

If x is replace by -x

Then we get

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

f(-x)=-x^3

Hence, f(-x)\neq f(x)

Therefore, it is not even polynomial function.

D.y= -x^2

If x is replace by -x

Then we get

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

f(-x)=-x^2

Hence, f(-x)=f(x)

Therefore, it is even polynomial function.

Answer: C. y=x^3 is not simple , even polynomial function.

den301095 [7]3 years ago
5 0

Answer:

  • y = | x |
  • y = x^3

Step-by-step explanation:

The absolute value function prevents the expression from being a polynomial. The degree of 3 in y^3 is an odd number so that polynomial function will not be even.

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Kamran wins the big game lottery. He invests part of his winnings in treasury bonds promising a 5% annual return and he deposits
Ostrovityanka [42]

Answer:

Amount won by Kamran = $21,450

Step-by-step explanation:

This can be calculated using the following 3 steps:

Step 1: Calculation of the amount invested in treasury bonds

Since the limit to the duration of investment is not stated, the amount invested can be calculated using the formula for calculating the present value of a perpetuity as follows:

PV = P / r …………………………………. (1)

Where;

PV = Present value or the amount invested treasury bonds = ?

P = Annual return on his investments = $661.25

r = Annual rate of return = 5%, or 0.05

Substitute the values into equation (1), we have:

PV = $661.25 / 0.05 = $13,225

Step 2: Calculation of the amount deposited in the money market account

From Step 1 above, we have:

Amount invested treasury bonds = $13,225

Since he invests $5000 more in treasury bonds than he deposits in the money market account, the amount deposited in the money market account can be calculated as follows:

Amount deposited in the money market account = Amount invested treasury bonds - $5,000 = $13,225 - $5,000 = $8,225

Step 3: Calculation of the amount won by Kamran

Amount won by Kamran = Amount invested treasury bonds + Amount deposited in the money market account = $13,225 + $8,225 = $21,450

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e-lub [12.9K]
Do you have step one? maybe i can try it but im not that good in math 


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Stella [2.4K]
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after spending 7/9 of a three hours examination, a student left the exams hall. How many minutes has he to complete the duration
Montano1993 [528]
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3 years ago
Don't use math papa or anything like that, please. The best/Correct answer gets brainiac.
Solnce55 [7]

Answer:

y = -3/2x + 6

Step-by-step explanation:

We won't be able to figure out Y in number form, since we have a second variable, but we can figure it out in terms of X.

First, we have to subtract 6x from both sides

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Then we have to divide both sides by -4

( y = -3/2x + 6 )

This is our final answer in terms of x

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