The answer is -3 on apex:)
A!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A,B,D are your answers :)
Answer:
Step-by-step explanation:
Let's rewrite the equation as:
Now, let's find its derivate:
Let's evaluate x=0.27 and x=2:
Keep in mind that when we derivate A(average speed) we find the average acceleration, thats why the result is given in mi/h^2, also it explains the minus sign, because for every stop you make on the trip you are decelerating.