Answer:
Step-by-step explanation:
Given
f(x) =
Finding f(-1) means, we have to put -1 in the places of x in the function,
So, putting x=-1 in the function
As the power 3 is odd, the minus will remain the same, while in the 2nd term minus will be eliminated due to even power. So,
=>
=> 1
Hence,
Answer:
See below.
Step-by-step explanation:
So we know that a gym membership costs $25 plus $14 each month.
In other words, the one-time cost is $25 and there will be a cost of $14 each month.
We can write this as:
Where f(x) equals the total cost given the number of months x.
For 6 months, the total cost will be: