Answer:
x=40
Step-by-step explanation:
first you simplify both sides of the equation, then you isolate the variable
40/4= 10
10 times 3/2 = 15
Answer:
The RATE OF CHANGE of a function is the size of the change in the Y-axis variable compared to the size of the change in the X-axis variable
Formula: Y2-Y1/ X2-X1
Words: Change in Y over change in X.