what is the aspect of each part for

The polynomial P(x) of degree 4 has 
a root of multiplicity 2 at x=4 
a root of multiplicity 1 at x=0 and at x=-2 
It goes through the point (3,-75) 
Find a formula for P(x)

find a polynomial f(x) of degree 4 with real coefficients and the following zeros -3(multiplicity of 2), -i  

make a polynomial from zeros 5+3i, 5-3i, -1

Name the first five of the arithmetic sequence.

a1=-12, d=-10

first term:

second term:

third term: 

fourth term:

fifth term:

for the polynomial below, -2 is zero 

h(x)=x^3-6x-4

Belinda is thinking about buying a car for $18,500. The table below shows the projected value of two different cars for three years:

 

Part A: What type of function, linear or exponential, can be used to describe the value of each of the cars after a fixed number of years? Explain your answer. (2 points)

Part B: Write one function for each car to describe the value of the car f(x), in dollars, after x years. (4 points)

Part C: Belinda wants to purchase a car that would have the greatest value in nine years. Will there be any significant difference in the value of either car after nine years? Explain your answer, and show the value of each car after nine years. (4 points)

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Express x^2+8x+15 in the form (x+a)^2+b

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Part 1

5+7x=4y

-4x≤-16 or 2x-18≥-4

$$\begin{gathered} if \frac{4x^{2}y}{3z}\times \frac{a}{b}=\frac{4x}{z^2}, write expressions for a and b. \\ a = ? \\ b =? \end{gathered}$$

f(c) =-5-2l-2x+1l

3×x³=81