Simplify: 9-4x + 2x² + 8x' +1+ 6x2 A
4x + 3x² +15
B 4x3 + 8x2 + 10
C 5x + 8x2 +9
D 5x + 10x² + 7

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Which best explains why this triangle is or is not a right triangle?

Bring the fraction a/a-4 to a denominator of 16-a^2