Well what i think you're asking here...I apologie if I'm wrong but what I did was
f(-1) = 4 * 7^t = 4/7
and
f(2) = 4 * 7^t = 196.
Is this what you wanted if not I can...try another way.
Answer:
27 castles had not been preserved.
Step-by-step explanation:
Divide 135 by 5 and you will get 27.
27 times 4 is 108.
135-108=27
(1 5/6 hours/ 1 time)* 5 1/2 times= 10 1/12 hours.
(Note that the unit cancels out so you get the answer)
Jacob spent 10 1/12 hours watching the movies~
Answer: Cosx/(1+sinx + 1+sinx)/cosx = 2secx
Step-by-step explanation: