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worty [1.4K]
3 years ago
14

PLEASE HELP!! I WILL GIVE BRAINLIEST AND POINTS!!

Mathematics
1 answer:
Bingel [31]3 years ago
3 0

Answer:

Rewrite in vertex form and use this form to find the vertex

Rewrite in vertex form and use this form to find the vertex

(h,k).(−3,9)

Step-by-step explanation:

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Mary runs in the Chicago marathon and it takes her 5 hours to complete it. Write a
klasskru [66]
If you want to keep it technical, the normal “/unit rate” for running is minutes per mile. You can use dimensional analysis like I did below to find the answer. You should get 11.45 min/mile or about 11 min 25 sec per mile

8 0
3 years ago
Help please!!!! Complete the following
sveta [45]
First, "graph" means graph of the given function f(x).  It is not necessary to include the graph with the question because at this level, either the user can "see" the graph mentally, or use technology (calculator or software) to graph the function.

(a) The Leading coefficient test for polynomial functions
The test is as follows.  The sign of the leading coefficient (LC, coefficient of the highest power of the variable) together with the degree (odd or even)  of the polynomial function tells us the end behaviour of the function according to the following table:

LC/degree     Even       Odd
Positive        +inf/+inf    -inf/+inf   
Negative       -inf/-inf     +inf/-inf

It can be easily memorized by comparing with a line or a parabola
y=x (positive leading coefficient, odd degree)  goes from -inf to +inf
y=x^2 (positive leading coefficient, even degree)  goes from +inf to +inf.
Any negative leading coefficient will just invert the signs.

For the given polynomial function
f(x) = x^2(x+2) = x^3+x^2
The leading coefficient is +1 (positive), and degree is three (odd)
So it behaves the same way as a straight line y=x, so the end behviours are
{-inf, +inf}  as x-> {-inf, +inf} respectively.

(b) x-intercepts
Since f(x)=x^2(x+2), the x-intercepts are x=0 (multiplicity 2) and x=-2.
=>
From the left, graph is increasing and crosses x=-2 once from negative to positive, after which graph is decreasing.  At x=0, because of the root with multiplicity 2, graph touches the origin (0,0) and turns back towards +inf.

(c) the y-intercept
from the polynomial f(x)=x^2(x+2)=x^3+x^2 = x^3+x^2+0,
we see that the y-intercept =0 because the "initial value" or the constant term is zero.

5 0
3 years ago
Please tell me how you did it as well.
maks197457 [2]

Answer:

Top left = 8

bottom left = 6

bottom right = 16

just put the numbers from the table into there

Step-by-step explanation:

give me brainliest pls

8 0
3 years ago
Read 2 more answers
Write an equation for a translation 7 units down of y=|x|.
Yanka [14]

Answer:

y=|x|-7

Step-by-step explanation:

When looking at an equation like so the number will stay the same but what changes is the adding or subtracting symbol.

+ = Up(Positive)

- = Down(Negative

5 0
2 years ago
Read 2 more answers
34 + 4 ⋅ 5 = ____. (Input whole numbers only.)
muminat

Answer:

54

4 x 5 = 20

20 + 34 = 54

6 0
3 years ago
Read 2 more answers
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