Answer:
Arithmetic sequence
f(n) = 5n + 2
Step-by-step explanation:
f(1) = 7
f(2) = 7 + 5
f(3) = 7 + 5 + 5 = 7 + (2)(5)
f(n) = 7 + (n-1)(5)
f(n) = 7 + 5n - 5
f(n) = 5n + 2
The answer to this is 9 , so t is C , to work this out you would divide 18 by 2 to give you 9 <span />
Answer:
Step-by-step explanation:
In 5 weeks, Lorena will have added 5×$14 = $70 to the $30 she started with. Her total will be $100.
Benita's total is $90 in week 5, as read from the graph.
Lorena has $10 more than Benita at week 5.