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kenny6666 [7]
3 years ago
13

Which statement describes the function y=ax^n when a=1 and n is odd?

Mathematics
2 answers:
julsineya [31]3 years ago
5 0
ANSWER

B. The graph is symmetric about the origin

EXPLANATION.

The given function is

y = a {x}^{n}

When a=1,

y = {x}^{n}

Let,

f(x)= {x}^{n}

f(-x)= {( - x)}^{n}

Since n is odd,

f(-x)=-{( x)}^{n}

\Rightarrow f(-x)=-f(x)

This implies that, the function

y={x}^{n}

is symmetric with respect to origin.

The correct answer is B
ra1l [238]3 years ago
5 0

Answer:

B. The graph is symmetric about the origin

Step-by-step explanation:

We have the function y=a x^{n}, where a= 1 and n= odd.

'Leading Coefficient Test' states that 'when 'n' is odd and the leading coefficient is positive, then the graph falls to the left and rises to the right'.

As we have, y=x^{n}, where n is odd and leading coefficient a=1.

So, the graph of this function will fall to the left and rise to the right.

Then, option A is not correct.

Moreover, x= 0 ⇒ y=0^{n} ⇒ y= 0.

So, this function passes though (0,0) i.e. origin.

Then, option C is not correct.

Also, 'x-intercept is the point when graph cuts the x-axis i.e. when y= 0'.

So, we have,

0=x^{n} ⇒ x= 0.

Thus, the only x-intercept is the point (0,0).

Then, option D is not correct.

From the graph below, we see that, the graph of y=x^{n} is symmetric about origin.

Hence, option B is correct.

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