9000022305 | math4u.vsb.cz

SubArea:

Radical equations and inequalities

Level:

Project ID:

9000022305

Accepted:

1

Clonable:

0

Easy:

1

Find the domain of the following expression.

\sqrt{- x^{2} + 16 x - 63}

[7; 9]

(- \infty; 7) \cup (9; \infty)

(- \infty; - 7] \cup [9; \infty)

(7; 9)

[- 7; 9]