Answer:
a) the multiplier is the years
b) cost of iPhone = 600 + 600* (.1x)
c) f(3) = $780
d) f(-2) = 480
Answer:

Step-by-step explanation:

<span>The x-coordinate is −1−1 , the y-coordinate is −2−2 , and the point lies in the third quadrant.</span>
To count the outside if a shape
Answer:
<em>15x+3.5=N</em>
Step-by-step explanation:
hope this helps :)