Please help with functions

f(0)=0

Step-by-step explanation:

The number in the parenthesis in a function are what you substitute for x, so do that for the problem:

f(x)=(1/2)(x) --> f(0)=(1/2)(0)

Then solve for f(0) by simplifying the other side of the equation:

f(0)=0

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.