Pascal's triangle up to the 5th iteration is

This tells us

so the second term in the expansion is

F(6) means f times 6 so f6
Answer:
I believe the correct answer is A
Step-by-step explanation:
5.5 gal divided by 0.26 gal per litre is approximately 21.15 litres. Hope this helps! :3
Answer:
exponential function going through point 0, negative 2 and ending down on the right
Step-by-step explanation:
(Took the test, also seen as "Option A", this graph goes down and hits the y line at 0,-2.)