You can turn 5 into 10/2 and add to x/2
then you need to use simple algebra to left the x alone in the equation so you need to multiply both sides by 2 so you get
2y=10+x
then you need to subtract both sides a 10 so
2y-10=x
now change the x to f'(x) and y to x so:
f'(x)=2x-10
The second photo is the correct graph.
The train is traveling at 165 mph
495/3=165
825/5=165
1155/7=165
1485/9=165
Answer:
a, the following expression equals 13
