Answer:
84
Step-by-step explanation:
f(1)=4^1 - 1 = 3
f(4) = 4^4 - 1 = 255
rate of change = 
(255 - 3) / (4 - 1) = 252 / 3 = 84
I believe it would be as following:
x+7>12
Here, x represents the unknown number. The symbol for no less than is greater than.
A vertex can be the max or min. The vertex is the highest point or lowest point of a function.
Answers are A and E, this is because you can do 3:12 x 4 = 12:48 and 3:12/4 = 1:4 therefore they are all equal values
45 hundredths is greayer than 6 tenth because 45 is in the hundredths spot and 6 is in the tenth spot