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bixtya [17]
3 years ago
9

What is the graph of the polynomial function

Mathematics
1 answer:
Nitella [24]3 years ago
5 0
The roots of f(x) are {0, 3, -4}.  You've got them as {-3, 4}, which is not correct.

Draw another set of coordinate axes and place dark dots at (0,0), (3,0) and (-4,0).  These dots represent the roots (solutions) of the given polynomial.
Note that we have a repeated (double) root at x=3, which is given away by the exponent 2 of (x-3).

A basic way of sketching this graph is described as follows:

Evaluate the function (find y) for several x-values other than (0, 3 and -4):
Choose (for example) {-5, -2, -1, 1, 2, 4}

If you'll find the y-value for each of these x-values and plot the resulting points, you should see the shape of the graph.  Draw a rough graph thru these points.  If any doubt remains about what the graph looks like at particular x-values, calculate and plot more points, e. g., at {-2.5, -1.5, ...}.

If you're taking calculus, consider applying the First- and Second-Derivative tests to determine concavity, maximum, minimum, etc.

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PLEASE HELPP!
r-ruslan [8.4K]

Answer:

$1.25

September

$30

Step-by-step explanation:

Let's take this a step a time.

First we need to find how much the price of the flowers were in September.

We know that each flower cost $1.50 on October.

The October price was a 20% increase of the September price.

To calculate for the price of the flowers on September, we can solve it like this:

Let x = Price during September

1.2x = 1.50

We used 1.2 because the price of $1.50 is 120% of the original price.

Now we divide both sides by 1.2 to find x.

\dfrac{1.2x}{1.2}=\dfrac{1.5}{1.2}

x = 1.25

The price of the flowers during September was $1.25 each.

Now the 7th grade class earned 40% of the selling price of each flower.

40% = 0.40

To find how much they made on each month, we simply multiply the percentage to the price and the number of flowers sold.

September = 0.40 x 1.25 x 900

September = 0.5 x 900

September = $450

Now for October.

October = 0.40 x 1.50 x 700

October = 0.6 x 700

October = $420

The 7th Graders earned more on September.

They earned $30 more on September than October.

5 0
3 years ago
Can someone please help me with part B?
Ira Lisetskai [31]
Y = - 20x + 100

Slope is -20, y-intercept is 100.
4 0
3 years ago
How can 3,5,6, and 7 make 75 using parentheses
galben [10]
6(7+5) + 3
Hope this helps :)

To check:
PEMDAS
7+5 is 12
6(12) + 3
72 + 3 
75
4 0
3 years ago
A bakery supplier receives an order for 2 tons of flour from a bakery chain. The flour is shaped in crates. Each crate holds eig
Arisa [49]
50 multiply 2000 by 2 then divide by 8 x10
5 0
3 years ago
Read 2 more answers
Question 3 of 10
katovenus [111]

Answer:

No solution

Step-by-step explanation:

Not sure tbh

8 0
3 years ago
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