Solution:
we are given that

we have been asked to find f(x).
we can find the value of f(x) by re-writing the given function in the form of f(x+3) and thereafter we will replace (x+3) by x.
we can re-write the given function as below

Hence the expression representing f(x) is f(x)=4x+3.
Answer: 
Step-by-step explanation:
Using the values
and
, the slope is
.
So, the equation is:

Answer:
the answer is that Howard runs faster.
Step-by-step explanation:
Because 4.5 is the least and then 5.0 is greater than Martha