Answer:
C
Step-by-step explanation:
answer is C the y intercept is (0,3)
Answer:
m>=-6
Step-by-step explanation:
m+5>=-1
m>=-1-5
m>=-6
Answer:
503
Step-by-step explanation:
Answer:
-8 - 36i
Step-by-step explanation:
Answer: 4 years
Step-by-step explanation:
A(0) has to be amount at start. Assume that's 5mg
Then A(t) = 5×(0.5)^(0.25t) = 5×2^(-t/4),
(also known as 5 exp(-λ t) with λ = ln(2)/4, incidentally).
We need to such that A(t) = 2.5mg, or 2^(-t/4) is 1/2, which happens when -t/4 is -1, or t is 4.