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frutty [35]
2 years ago
15

Module 3 DBA: What key features can be identified from graphs of polynomials of higher-

Mathematics
1 answer:
Ksju [112]2 years ago
4 0

Answer:

Bro Man thats OP

Step-by-step explanation:

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A model rocket is launched from the ground with an initial velocity of 160 ft/sec. how long will it take the rocket to reach its
timama [110]
The formula we need is
h(t)=-16t^2+v_0 t+h_0, where <em>v</em>₀ is the starting velocity and <em>h</em>₀ is the initial height.  Using the velocity and starting height from our problem we have
h(t)=-16t^2+160t+0.  The path of this rocket will be a downward facing parabola, so there will be a maximum.  This maximum will be at the vertex of the graph.  To find the vertex we start out with x= \frac{-b}{2a}, which in our case is x= \frac{-160}{2(-16)}= \frac{-160}{-32} = 5.  It will take 5 seconds for the rocket to reach its maximum height.  Plugging this back into our formula gives us
h(5)=-16(5^2)+160(5)+0&#10;\\=-16(25)+800&#10;\\=-400+800=400
The rocket's maximum height is 400 feet.
We set our formula equal to zero to find the time it takes to hit the ground, then we factor:
0=-16t^2+160t+0&#10;\\0=-16t^2+160t&#10;\\0=-16t(t-10)
Using the zero product property, we know that either -16t =0 or t-10=0.  When -16t=0 is at t=0, when the rocket is launched. t-10=0 gives us an answer of t=10, so the rocket reaches the ground again at 10 seconds.
8 0
3 years ago
Use the graphing calculator to graph the quadratic function y=2x^2 + 2x -40. what are the zeros of the function
ahrayia [7]

Answer:

The zeroes of this function are x=-5 and x=4

3 0
3 years ago
Write each sequence as a function.
Fiesta28 [93]

Answer: f(n)=3^{n-1}

Step-by-step explanation:

Given Recursive formula : a_{n+1} = 3a_n,, a_1=1

Then,  a_2=a_{1+1} = 3a_1=3(1)=3

a_3=a_{2+1} = 3a_2=3(3)=9

a_4=a_{3+1} = 3a_3=3(9)=27

We can write it as : f(n)=3^{n-1}

such that

n      f(n)=3^{n-1}

1       f(1)=3^{1-1}=1

2       f(2)=3^{2-1}=3^1=3

3       f(3)=3^{3-1}=3^2=9

Hence, the required function: f(n)=3^{n-1}

8 0
3 years ago
Read 2 more answers
Please help I needed it badly
kicyunya [14]

Answer:

The answer is C trust me I did this

3 0
3 years ago
In 2000, the population of a town was 8914. The population is expected to grow at a rate of 1.36% each year. What is the populat
Blababa [14]

Answer:


Step-by-step explanation:

Answer:

12,495 is the answer

Step-by-step explanation:


8 0
3 years ago
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