<span><span>f<span>−1</span></span><span>(x)</span></span>=<span>√<span>100<span>−x</span></span></span>,<span>−<span>√<span>100<span>−<span>x</span></span></span></span></span>
Answer:
Choice A is correct
Step-by-step explanation:
The distribution for town A is symmetric, but the distribution for town B is negatively skewed. From the box plots it is clear that the tails of the box plot for town A are equal in length while for town B the left tail is longer implying a negatively skewed distribution.
Yes, a quadratic model does exist and its equation is f(x)=4x^2
1:40.
1:40 is equal to 1/40, while 1:60 is equal to 1/60.
1/40 is the bigger fraction, so 1:40 is the correct answer.
7 is 1/4 of 28, so 7 is 25% of 28.
The drop from 28 to 7 is a drop of 21.
21 is 3 times 7, so 21 is 3 times 25%.
Answer: It is a 75% decrease.
