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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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