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Evgen [1.6K]
2 years ago
9

a In each of the following, find the zeros and indicate the multiplicity of each zero. What is the degree of the polynomial? f(x

) = (x + 6) (x - 3)2 b f(x) = 3 (x + 2) (x - 1) (x + 3) f(x) = 3 *)° x) d (x - 2)* (x + 3)' (1 - x) d f(x) = x4 - 5x + 9x² - 7x + 2 2 f(x) = x4 - 47° +7x7 - 12x + 12 1 a f(x) = X - + e For each of the following polynomials find all possible rational zeros:​
Mathematics
1 answer:
CaHeK987 [17]2 years ago
6 0

Answer:

ffhhvfhhhhhhhhhhhhhhhhhhhhhhhhhh

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Which career professional would work at a publishing company?
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D

Step-by-step explanation:

They work by preparing the printing process.

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5 0
3 years ago
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The math club is fast becoming one of the most popular clubs on campus because of the fabulous activities it sponsors annually f
Sergeu [11.5K]

Answer:

The many members should the club expect to have 5 years from now is 167.

Step-by-step explanation:

The number of members in the club at present is, 45.

It is provided that each year the club's enrollment increases by 30%.

Compute the increasing rate as follows:

Rate=1+0.3=1.3

Then the number of members in the club after <em>n</em> years is given by the equation:

Number\ of\ members\ after\ n\ years=45\times (1.3)^{n}

Compute the number of members in the club after 5 years as follows:Number\ of\ members\ after\ 5\ years=45\times (1.3)^{5}\\=45\times (1.3)^{5}\\=45\times 3.71293\\=167.08185\\\approx167

Thus, the many members should the club expect to have 5 years from now is 167.

3 0
3 years ago
The president of a small manufacturing firm is concerned about the continual increase in manufacturing costs over the past sever
mrs_skeptik [129]

Answer:

The answers to the question are

(a) The time series plot is given as attached

(b) The parameters for the line that minimizes MSE for the time series are;

y-intercept, b₀ = 19.993

Slope, b₁ =  1.77

MSE = 19.44

T_t = 19.993  + 1.774·t

(c) The average cost increase that the firm is realizing per year is $ 1.77

(d) The estimate of the cost/unit for next year is $35.96.

Step-by-step explanation:

(a) Using the provided data, the time series plot is given as attached

(b) Given hat the y-intercept, = b₀

Slope = b₁

Therefore the  linear trend forecast equation is given s

T_t = b₀ + b₁·t

The linear trend line slope is given as

b₁ = \frac{\Sigma^n_{t=1}(t-\overline{\rm t)}(Y_t-\overline{\rm Y)}}{\Sigma^n_{t=1}(t-\overline{\rm t} )^2}

b₀ = \overline{\rm Y} - b₁·\overline{\rm t}

Where:

Y_t = Time series plot value at t

n =  Time period number

\overline{\rm Y} = Time series data average value and

\overline{\rm t} = Average time, t

Therefore, \overline{\rm t} = \frac{\Sigma^n _{t=1} t}{n}  = \frac{36}{8} =4.5

\overline{\rm t} = 4.5

\overline{\rm Y}  =  \frac{\Sigma^n _{t=1} Y_t}{n}  = \frac{223.8}{8} =27.975

\overline{\rm Y}  =  27.975

Therefore the linear trend line equation T_t, is

b₁ = \frac{\Sigma^n_{t=1}(t-\overline{\rm t)}(Y_t-\overline{\rm Y)}}{\Sigma^n_{t=1}(t-\overline{\rm t} )^2} =  = \frac{74.5}{42} = 1.774

b₀ = \overline{\rm Y} - b₁·\overline{\rm t} = 27.975 - 1.774×4.5 = 19.993

Therefore the trend equation for the linear trend is

T_t = 19.993  + 1.774·t

MSE = \frac{1}{2} \Sigma(Y-\overline{\rm Y)^ }^2 = \frac{155.495}{8} = 19.44

(c) From the linear trend equation, the average is given as the slope of the curve or b₁ which is equal to 1.774

Therefore the average cost increase that the firm has been realizing per year is $ 1.77

(b) From the equation of the future trend, we have when y = 9

T_t  is given as

T_t = 19.993  + 1.774×9 = 35.96

The cost/unit for 9th year is $35.96

3 0
3 years ago
in a basket of carrots 12% of them are rotten if 42 carrots are rotten how many carrots are in the basket​
meriva

Answer:

356 hope this is correct :)

Step-by-step explanation:

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If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (fog)(x)?
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Answer:

3(x² + 1) + 2

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Substitute x = g(x) into f(x), that is

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3 0
3 years ago
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