<span>The fittable function seems to be 2 x^2+4 x+7.
So C (167)</span>
Answer:

Step-by-step explanation:
To find the average rate of change, we use the formula

Where
and 
Knowing this, we can plug in all of our know values and simplify.

Answer:
69
Step-by-step explanation:
to find f(3), we'll have to substitute x with 3
therefore,
f(3) = 19 × 3 + 12
= 57 + 12
= 69
Answer:
c
Step-by-step explanation:
c
Answer:
The spread in data is the measure of how far the numbers in a data set are away from the mean or the median. ... You can also find the spread in the data set by using the interquartile range, which is a value that is the difference between the upper quartile value and the lower quartile value.
Step-by-step explanation: