Answer:
Parallel
Step-by-step explanation:
They're Parallel because whenever you graph them you see they never touch.
Answer8 hours
Step-by-step explanation:
Answer:
It's 21m the third one
Step-by-step explanation:
Answer:
(a) y = ±(√x)/2
Step-by-step explanation:
You want to find y such that ...
x = f(y)
x = 4y^2 . . . . . . . put in the expression for f(y)
x/4 = y^2 . . . . . . .divide by 4
±√(x/4) = y . . . . . take the square root
y = ±(√y)/2 . . . . . simplify
