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d1i1m1o1n [39]
3 years ago
10

Which of the following are situations that can be modeled with a quadratic function? Select all that apply.

Mathematics
2 answers:
stellarik [79]3 years ago
8 0
5) The height of a rocket after it is launched
 For this case, what you should do is remember the kinematics expressions where we have:
 a
 v = a * t + vo
 y = a * t ^ 2 + vo * t + i
 Where,
 a: acceleration
 v: speed
 y: vertical position
 t: time
 vo: initial speed
 yo: initial position
 We observe that the expression for the given position is given by a quadratic expression.
natali 33 [55]3 years ago
4 0
4 antibiotic eliminates because it’s something that helps and it a quadratic function
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B. 2 I believe that’s right
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The larger of two numbers is 15 more than three times the smaller number. If the sum of the two numbers is 63, find the numbers.
tangare [24]
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Write 2.75 as a mixed number and as an improper fraction. Write your answers in simplest form.
xxMikexx [17]
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8 0
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Read 2 more answers
Jan uses 6 grams of tea leaves to make 24 fluid ounces of tea. Last week she made 288 fluid ounces of tea. How many grams of tea
Reil [10]
Hello!

288 / 24 = 12

6 * 12 = 72

Jan used 72 grams of tea leaves to make tea. 
4 0
3 years ago
Find the Taylor series for f(x) centered at the given value of a. [Assume that f has a power series expansion. Do not show that
juin [17]

Answer:

The Taylor series of f(x) around the point a, can be written as:

f(x) = f(a) + \frac{df}{dx}(a)*(x -a) + (1/2!)\frac{d^2f}{dx^2}(a)*(x - a)^2 + .....

Here we have:

f(x) = 4*cos(x)

a = 7*pi

then, let's calculate each part:

f(a) = 4*cos(7*pi) = -4

df/dx = -4*sin(x)

(df/dx)(a) = -4*sin(7*pi) = 0

(d^2f)/(dx^2) = -4*cos(x)

(d^2f)/(dx^2)(a) = -4*cos(7*pi) = 4

Here we already can see two things:

the odd derivatives will have a sin(x) function that is zero when evaluated in x = 7*pi, and we also can see that the sign will alternate between consecutive terms.

so we only will work with the even powers of the series:

f(x) = -4 + (1/2!)*4*(x - 7*pi)^2 - (1/4!)*4*(x - 7*pi)^4 + ....

So we can write it as:

f(x) = ∑fₙ

Such that the n-th term can written as:

fn = (-1)^{2n + 1}*4*(x - 7*pi)^{2n}

6 0
3 years ago
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