S=2(4x+2x)+4x^2=4x^2+12x
4x^2+12x=7
4x^2+12x-7=0
D=12^2-4x4x(-7)=256
X1=(-12-16)/(2x4)=-3.5 impossible
X2=(-12+16)/(2x4)=0.5
A
Answer:
umm i belive 4 meters might not be right tho
Step-by-step explanation:
Answer: Independent
Step-by-step explanation: Just multiply the probability of the first event by the second.
X+7-3=1
X+4=1
-4 -4
X=-3
Copy exactly how you see it
Answer:
f (x) = x2 shows us that function " f " takes " x " and squares it. Example: with f (x) = x2: becomes an output of 16. In fact we can write f (4) = 16. The "x" is Just a Place-Holder! Don't get too concerned about "x", it is just there to show us where the input goes and what happens to it.
