contestada

Which statements are true about the graph of the function f(x) = 6x – 4 + x2? Check all that apply.

Respuesta :

f(x) = 6 - 4 + x
= 2 + x
= x + 2
shatera

Answer:

A: f(x)=x²+6x-4=x²+2*3x+9-13=(x+3)²-13 is   FALSE

B: Vertex is (-3,-13)       TRUE

C axis of symmetry is x=-3     FALSE

D: from the vertex to +infinity graph increases     TRUE

E:  roots are -3-√42 / 2 and -3+√42 /2    FALSE