Answer:
63
Step-by-step explanation:
Just input 3 instead of x, you would get 14(3) + 21 = 63
X is a variable, a variable you have to divide to cancel out
Answer:
15
Step-by-step explanation:
Answer:
$27
Step-by-step explanation:
18 times $1.50 = 27 dollars a year
We have been given a table that shows a linear relationship between x and y. We are asked to find the rate of change change of y with respect to x.
To solve our given problem, we will find the slope of the line passing through the given points.

Let us find slope of line using points
and
.




Therefore, the rate of change of y with respect to x is
.