3(4+3r)
= 12 + 9r
Hope it helped :)
Answer:
$18.90 + $6.30 = $25.20
Step-by-step explanation:
Answer:
the four point cannot be on the same line , but they have to be on the plane.
A D C E
collinear means on the same line
so ABC
non-coplanar means the point do not lie on the same plane so you can include point F
F A D B
don't know if this might help but here
Step-by-step explanation:
(−∞,∞),{y|y∈R}
Answer:
Step-by-step explanation:
1. Replace F(x) with y.
2. Interchange x and y in y = 2x + 1: x = 2y + 1
3. Solve this result for y: 2y = x - 1, or y = (x - 1)/2
4. Replace y with:
-1
F (x):
-1 x - 1
F (x) = -----------
2
