North Carolina Math 3 EOC Chapter 7

1 pt

1.

A polynomial function has a range of $v\ge 22$. Which of these must the function have?

A

A relative maximum

B

A relative minimum

C

An absolute maximum

D

An absolute minimum

1 pt

2.

What is the *y*-intercept of the graph the function $f\left(x\right)={x}^{3}-12{x}^{2}-x+12$?

A

(0, -12)

B

(0, -1)

C

(0, 1)

D

(0, 12)

1 pt

4.

What are the intervals of increase of the function graphed below?

A

$(-\infty ,-3)$ and $(3,\infty )$

B

$(-\infty ,-1)$ and $(3,\infty )$

C

$(-\infty ,1)$ and $(3,\infty )$

D

$(-,\infty )$ and $(3,\infty )$

1 pt

7.

Suppose the only transformation applied to the graph of the function $f\left(x\right)=27{x}^{5}$ was a reflection across *x*-axis. The result would be the graph of which of these functions?

A

$f\left(x\right)=27{x}^{5}-27$

B

$f\left(x\right)=-27{x}^{5}$

C

$f\left(x\right)=27{x}^{5}$

D

$f\left(x\right)=27{x}^{5}+27$

1 pt

11.

Which of these statements accurately describes the function graphed below?

A

It has an even degree and a negative lead coefficient.

B

It has an even degree and a positive lead coefficient.

C

It has an odd degree and a negative lead coefficient.

D

It has an odd degree and a positive lead coefficient.

1 pt

13.

If a polynomial function is odd, it is symmetric with respect to which of these?

A

The *x*-axis

B

The *y*-axis

C

The origin

D

The line *y* = *x*