Let the second no. be x
-3x = 21 → x = 21/-3 → x = -7
Answer:
Their slopes are opposites
Divide 5,000 to 100 and u will get your answer
For this case we have the following variables:
x: number of months
f (x): number of caps sold
The function that models the problem is given by:
![f (x) = 4 ^ x](https://tex.z-dn.net/?f=%20f%20%28x%29%20%3D%204%20%5E%20x%20%20)
By the time the store sells 64 caps we have:
![4 ^ x = 64](https://tex.z-dn.net/?f=%204%20%5E%20x%20%3D%2064%20%20)
From here, we clear the number of months:
![log4 (4 ^ x) = log4 (64)\\x = log4 (64)\\x = 3](https://tex.z-dn.net/?f=%20log4%20%284%20%5E%20x%29%20%3D%20log4%20%2864%29%5C%5Cx%20%3D%20log4%20%2864%29%5C%5Cx%20%3D%203%20%20)
Answer:
the store sells 64 caps in 3 monts
A. month 3
.3 is that rounded to the nearest tenth