Answer:
Step-by-step explanation:
We need to find the value of x so that the value of given function becomes 21 .
We have ,
Now , for finding x ,
y = -2x + 9
y= -1x + 10
There is a way that you can figure it out but it’s complicated use desmos it makes it easy
hope this helps you
59
100/1.7=58.8
i dont know
