Answer: 64
Step-by-step explanation: that’s the answer
The unit rate is basically her progress every hour so...
1.5 hours = 2/7
1 hour = 2/7 x 2/3 = 4/21
answer: 4/21 per hour
Answer: Third option is correct.
Step-by-step explanation:
Since we have given that
The graph of the derivative of f(x) , say, y = f'(x), is symmetry about the origin.
so, it is an odd function.
So, f(x) must be an even function.

So, the value of f(-2) is equal to 8.
Hence, Third option is correct.
The minimum of this graph is the focus of the parabola. I'm not sure with the maximum though but I think it doesn't have a maximum because the y value of the parabola will extend infinitely upward.