Answer:
6 quizzes
Step-by-step explanation:
3 divided by 6 is 2 so 2 quizzes per week. attending two more weeks would add 4 more quizzes. By now mandy will have taken 6 quizzes in five weeks.
Answer:
5.33
Step-by-step explanation:
5+1/3
=5.3333
=533.33333333%
The last number would be 86 , TRUST ME I know these stuff!!
Step-by-step explanation:
So, a coordinate plane is made out of two axis, the x and the y. Through these, we have grid squares on the plane showing points. So, each square would be one point. To find the <u>rate of change, or slope,</u> you would have to use the formula:
y(#2) - y(#1)
------------------ = Divided by
x(#2) - y(#1)
This formula will calculate the rate of change. I will do the first one for you as follows.
The first point I would find would be (1,3). 1 space on the X-axis, 3 on the Y-axis.
To write a ordered pair to represent the point on the plane, use the (X,Y).
Then, I'd find the second point.
Following the second point, I would do the equation like so.
y(2) - 3
-----------------
x(2) - 1
See, I used the first points given as the last X and Y variables in the formula.
Hope this helps you out!
Given:
The function is

where, function r gives the instantaneous growth rate of a fruit fly population x days after the start of an experiment.
To find:
Number of complex and real zeros.
Time intervals for which the population increased and population deceased.
Solution:
We have,


Here, degree of function x is 3. It means, the given function has 3 zeros.
From the given graph it is clear that, the graph of function r(x) intersect x-axis at once.
So, the given function r(x) has only one real root and other two real roots are complex.
Therefore, function r has 2 complex zeros and one real zero.
Before x=6, the graph of r(x) is below the x-axis and after that the graph of r(x) is above the x-axis.
Negative values of r(x) represents the decrease in population and positive value of r(x) represents the increase in population.
Therefore, based on instantaneous growth rate, the population decreased between 0 and 6 hours and the population increased after 6 hours.