Answer:
38 pages per hour
Step-by-step explanation:
Rate of reading = 
By substituting the given values in the question,
Total number of pages read by Davida =
= 
Time taken by Davida = 45 minutes
Since, 1 minute =
hours
Therefore, 45 minutes =
hours
Rate of reading = 
= 
= 38 pages per hour
Therefore, rate of reading by Davida is 38 pages per hour.
F(x) is showing the exponential function 2^(7-x)
Dont click the link the bot sent you they can hack you
4x - 2x = - 3 - 5
2x = - 8
x = - 4
7*-4= -28 +4-12/2
-24-6
=-30