Test - North Carolina Math 3 EOC Post Test

1 pt Standard: F-BF.4a DOK: 1

What is the domain of the inverse of the function, $y = x^{3}$ ?

$0 \leq x < \infty$

$3 \leq x < \infty$

$- \infty < x < \infty$

$0 < x < \infty$

1 pt Standard: G-CO.14 DOK: 3

15.

Circle B includes $\overset{⏜}{X Y}$ that measures 4 feet. What is the length of Circle B’s diameter, rounded to the nearest tenth.

7.8 feet

48 feet

7.6 feet

15.3 feet

1 pt Standard: F-BF.4b DOK: 2

29.

Use the table below to determine if the inverse relation of the given function is also a function.

The inverse is also a function.

The inverse is not a function.

1 pt Standard: G-CO.10 DOK: 2

32.

The intersection where three perpendicular bisectors cross with a triangle is called:

incenter

orthocenter

circumcenter

centroid

1 pt Standard: N-CN.9 DOK: 3

41.

State the possible number of real zeros for the function. Then factor each and find all zeros.

$f (x) = 5 x^{3} - 13 x^{2} - 6 x$

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