I believe the answer is either 5 or -1.5
4n - 7 = 13
7 - 4n = 13
4(5) - 7 = 13
7 - 4(-1.5) = 13
4(5) - 7 = 13
Answer:0 and -20
Step-by-step explanation:
5x=0;
x=0/5.
3x+60=0;
3x= -60;
x= -60/3;
x= -20
Average rate of change implies the quotient f(4)-f(a)/4-a which equals (1/2-a/2)/4-a=(1-a)/(8-2a) on (4,a)