9 is the answer.
Step-by-step explanation:
5(x − 4)2 = 4x + 14
=> 10x - 40 = 4x + 14
=> 6x = 54
=> x = 9
Therefore, 9 is the answer.
Hoped this helped.
d
step-by-step explanation:
e^-kt = n/n0 = 0.79
-kt = ln 0.79
t = - ln 0.79/0.0001
= 2357 years