Answer:
first sub in (0,-2) to get
-2 = ab^0, but b^0 = 1
so a=-2
so far we have
y = -2b^x
now use the other point (2,-50)
-50 = -2(b^2)
b^2 = 25
b= ±5
however in exponentional equations the base is usually positve, so now you have
y = -2(5^x)
sub in x=-2 and you got it.
Step-by-step explanation:
hope it helps..
Answer:
B is the right answer
Step-by-step explanation:
1(z^8-20)
=1/z^12
Answer:
The best estimated is option c) 1000
Step-by-step explanation:



Hope this helps
Answer:
i think it's c but I'm rly not sure on this one...
Answer:
f^-1 (x)= 2×/×-1 is your answer