Answer:
a. f(n)=3(to the power of n)+1
n is the number of days, day one being when the student sent it to 3 others
the plus one is the one student
Answer:
y = 1.6 x
y = 24
Step-by-step explanation:
The general equation of a direct variation is
y = k x
In this case
x = 10
y = 16
y = k*x
16 = 10*k
16/10 = k
k = 1.6
y = 1.6x
================
Let x = 15
y = 1.6 * 15
y = 24
Answer:
I'll sub ig.
I have to write 20 letters to submit so just ignore this part :)
Answer:
even i dont know can help
