I did my calculations and i rechecked it by redoing the question and I got "37800".
Answer: (x, -y)
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
Substitute x = - 5 into f(x), that is
f(- 5) = 5(- 5) + 40 = - 25 + 40 = 15
Answer:
0
Step-by-step explanation:
1st: -2*2^(1-1) = -2*1 = -2
4th: -2*2^(4-1) = -2 *8 = -16
8th = -2*2^(8-1) = -2*128 = -256
Last choice is correct