Answer:
4 and 40
Step-by-step explanation:
2/5 of 10 is 4
2/5 of 100 is 40
At a rate of interest of 3.86% compounded annually investment will be tripled.
that is how i was taut, sorry if is wrong
x/20 = 21/14 (similar proportions)
x/20 = 3/2 (simplify by canceling out a factor of 7)
x = 30
Answer:
first one is c second one is c and a
Step-by-step explanation:
Given:
The function is

To find:
The value of f(-1).
Solution:
We have,

Putting x=-1, we get




Therefore, the value of f(-1) is -12.