Answer:
(f+g) (x) =0 for x=-2
Step-by-step explanation:
f(x) = x^2 – 2x, g(x) = 6x + 4,
(f+g) (x) =f(x) +g(x) =
(x^2 – 2x) + (6x + 4) =
x^2 – 2x+ 6x + 4=
x^2 +4x+4
(f+g)(x) =x^2 +4x+4=0 (quvadratic equation)
x^2 +4x+4=x^2 +2x*2+2^2=(x+2)^2
then
(x+2)^2 =0
x+2=0
x=-2
(f+g) (x) =0 for x=-2
Answer:
I thinks it's A
Step-by-step explanation:
1) 12:6×1=2
2) 12:4×1=3
3) 1+1+2+3+2=9
4) 12-9=3
Answer:
Step-by-step explanation:
Interior angles of a triangle = 180°
I hope I helped you^_^
Answer:
B and C
Step-by-step explanation:
1/9 = 1÷9
7÷9 = 7/9
Option B and C is the only equation true for the number 9
Answer:
domain and range are both all real numbers
Step-by-step explanation:
I graphed f(x) = 20x + 4 and both x and y went on infinitely in both directions
