Answer:
30x+7
Step-by-step explanation:
3(10x+7)-15 = 30x+21-15 = 30x+7
Pythagorean theorem:
a^2+b^2=c^2
substitute:
10^2+13^2=c^2
simplify:
100+169=c^2
269=c^2
take the square root:
c=16.4
The answer is 16.4
Answer
The number of followers is decreasing
The function is decreasing over time since the base of the exponent is less than 1. The value is greater when t is 0 and decreases as t increases.
Answer: 17
b
