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motikmotik
2 years ago
13

PLEASE HELP ME WITH MY MATH

Mathematics
2 answers:
emmainna [20.7K]2 years ago
4 0

Oh my gosh,

I need an answer for that as well..

larisa86 [58]2 years ago
4 0

Answer:

EYYRHEHF

Step-by-step explanation:

I HAVE NO IDEA PLEASE I NEED POINTS AND WANT TO BE BRAINLIEST I NEEEED ITTT !!!!11

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I really need help i i put a picture up but this thing do´s not let me post it with out a question ?
kobusy [5.1K]

Answer:

Step-by-step explanation:

y=-x^{2} -5x-6

y=-(x^2+5x+6)

y=-(x+3)(x+2)

Set each factors equal to zero.

(x+3)=0 ,  x=-3

x+2=0  ,   x=-2

The x-int is

(-2,0)

4 0
2 years ago
Can you help me with this oroblem
ludmilkaskok [199]

Answer:

the picture is not clear.

pls edit


7 0
3 years ago
The fox population in a certain region has a continuous growth rate of 5% per year. It is estimated that the population in the y
kvasek [131]

Answer:

P(t) = A * (1 + r)^t ;

14,922 ;

Year 2013

Step-by-step explanation:

Given the following :

Continuous growth rate(r) = 5% = 0.05

Population in year 2000 = Initial population (A) = 10,100

Time(t) = period (years since year 2000)

A)

Find a function that models the population,P(t) , after (t) years since year 2000 (i.e. t= 0 for the year 2000).

P(t) = A * (1 + r)^t

Trying out our function for t = year 2000, t =0

P(0) = 10,100 * (1 + 0.05)^0

P(0) = 10,100 * 1.05^0 = 10,100

B.)

Use your function from part (a) to estimate the fox population in the year 2008.

Year 2008, t = 8

P(8) = 10,100 * (1 + 0.05)^8

P(8) = 10,100 * 1. 05^8

P(8) = 10,100 * 1.4774554437890625

= 14922.29

= 14,922

c) Use your function to estimate the year when the fox population will reach over 18,400 foxes. Round t to the nearest whole year, then state the year.

P(t) = A * (1 + r)^t

18400 = 10,100 * (1.05)^t

18400/10100 = 1.05^t

1.8217821 = 1.05^t

1.05^t = 1.8217821

In(1.05^t) = ln(1.8217821)

0.0487901 * t = 0.5998151

t = 0.5998151 / 0.0487901

t = 12.293787

Therefore eit will take 13 years

2000 + 13 = 2013

4 0
3 years ago
Acellus
aksik [14]

9514 1404 393

Answer:

  {-8, -4, -2, -1, 1, 2, 4, 8}

Step-by-step explanation:

Possible rational roots are positive and negative divisors of the constant 8:

  {-8, -4, -2, -1, 1, 2, 4, 8}

_____

<em>Additional comment</em>

This polynomial has no rational roots. Its two real roots are both negative and irrational.

7 0
3 years ago
2.<br> Which of the functions below is an inverse of the quadratic function f(x) = x2 - 3 ?
mezya [45]

Answer:

the inverse of the quadratic function f(x) = x^2 - 3  is \mathbf{f^{-1}(x)=\pm \sqrt{x+3}}

Step-by-step explanation:

We need to find inverse of the quadratic function f(x) = x^2 - 3

Let

y=x^2-3

Replace x and y

x=y^2-3

Now, we will solve for y

Adding 3 on both sides

x+3=y^2-3+3

x+3=y^2

Taking square root on both sides

\sqrt{y^2}=\sqrt{x+3}\\y=\pm \sqrt{x+3}

Now replace y with f^{-1}(x)

f^{-1}(x)=\pm \sqrt{x+3}

So, the inverse of the quadratic function f(x) = x^2 - 3  is \mathbf{f^{-1}(x)=\pm \sqrt{x+3}}

3 0
3 years ago
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