Answer:
You can write this as:
Step-by-step explanation:
D would have to equal 5.
F(g(x)) where you see an 'x' in f(x) put a g:
f(g(x)) = 1/(g-7), now step by step: g - 7 = 6/x+7-7=6/x, and 1/(g-7)=1/(6/x)=x/6!
I let the second one for you. Sorry if you disagree!
Answer:
a) -2a + 2c
Step-by-step explanation:
2a - 3b + 4c
-4a + 3b - 2c
-------------------
-2a + 2c
Answer:
The graphs of the equations are parallel lines.
Step-by-step explanation:
Parallel lines have no solution, not infinitely many solutions. When graphed, infinitely many solutions will appear as the same line.