Mary is an years old. What expression represents her age 7 years from now? Two years ago?
1 answer:
You might be interested in
Answer:
C) C(x) = 5 +0.25x
Step-by-step explanation:
Let
C(x) ---> the total cost monthly
x ---> is the number of hours in a month
we know that
he linear equation in slope intercept form is given by
where
m is the slope or unit rate
b is the y-intercept or initial value
In this problem we have
The slope is equal to
The initial value or y-intercept is equal to
substitute