Answer:
B
Step-by-step explanation:
Given the function
Find the average rate of change on interval
This value is negative only for so correct option is B
Your answer:
21 × 10 = 210
Sales tax would be 2.50. That makes 500$ 502.50
V = lwh
3 = (30)(40)(h)
3 = (1200)(h)
<u> </u><u>3 </u><u> </u><u /> = <u>1200h</u>
1200 1200
1/400 = h