Q3. Is the rate of change of the function 5? 1
5
3
2
5 4 3 2 1
2 3 4 5 x
-2
Yes, because y changes by 1 every time x changes by 5.
Yes, because y changes by 5 every time x changes by 1.
No, because y does not change by 5 every time x changes by 1.
No, because y does not change by 1 every time x changes by 5.

the correct answer is b) histograms can be used to exhibit the shape of distributions. this is because histograms count the frequency of each possible answer, so one is able to see which results are more common and which are less common.

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

the answer is c.

step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.