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tino4ka555 [31]
3 years ago
6

I need help please!!!

Mathematics
2 answers:
natka813 [3]3 years ago
8 0

Answer:

A.

Step-by-step explanation:

So you would have f(3) = 3 + \frac{2}{2}

f(3) = 3 + 1

f(3) = 4

allochka39001 [22]3 years ago
3 0

Answer:

Step-by-step explanation: f(x)

3+ a square root of 3+1 / x-1

3+ a square root (4/2)

3+ square root of 2. That's the answer

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If f(x) =-2x+9 and g(x)=-4x^2+5x-3 ,find (f•g)(x)
madam [21]

Answer:

f(x)=-2x+9 g(x)=-4x^2+5x-3Now, f o g (x) = f{g(x)} = f(4x^2+5x-3) = 2(4x^2+5x-3) + 9 = 8x^2+10x-6 + 9

Step-by-step explanation:

4 0
2 years ago
Can you help me please!!
ahrayia [7]
I believe it would be 30

8 0
3 years ago
The circle below is centered at -1, 1 and has a radius of 3. what is its equation
Bingel [31]

(x+1)^2 +(y-1)^2 =9


x+ the x coordinate squared + y +the y coordinate squared = the radius squared

4 0
3 years ago
Help with 35 to 40, don’t know if I am right
Sedaia [141]

Step-by-step explanation:

35. 1000 m / 1 km = 10³

Move the decimal point 3 places to the right.

36. 100 cm / 1 m = 10²

Move the decimal point 2 places to the right.

37. 1 mm / 1000 μm = 10⁻³

Move the decimal point 3 places to the left.

38. 1 km / 1000 m × 1 m / 100 cm = 10⁻⁵

Move the decimal point 5 places to the left.

39. 1 Mm / 10⁶ m × 1 m / 10⁶ μm = 10⁻¹²

Move the decimal point 12 places to the left.

40. 100 cm / m × 1000 m / km = 10⁵

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4 0
3 years ago
FIRST ONE TO ANSWER CORRECTLY WILL BE BRAINLIEST
Sunny_sXe [5.5K]

Answer:

b) the coefficient of x of jamie's polynomial is 5 .

c) The two polynomials are :

x³ + 4x² + 5x + 4 

x³ - 2x² + 5x + 4

Step-by-step explanation:

consider these two Monic polynomials of degree 3:

P : x³ + ax² + bx² + c  

Q : x³ + a₁x² + bx² + c  

P × Q = x⁶+ (a+a₁)x⁵ + (aa₁+2b)x⁴ + (ab+a₁b+2c)x³ + (ac+a₁c+b²)x² +2bcx + c²

Now we compare the coefficients of P × Q and  x⁶ + 2x⁵ +2x⁴ + 18x³ + 33x² + 40x + 16

b)

c² = 16 ⇒ c = 4  (c is positive)

2bc = 40 ⇒ 8b = 40 ⇒ b = 5 then the coefficient of x of jamie's polynomial is 5 .

c)

In order to find a and a₁ we need to solve this system:

a+a₁ = 2                   a+a₁ = 2

                      ⇔

aa₁+2b = 2              aa₁ = -8

Solve the system and you’ll get :

a = 4 and a₁ = -2   or a = -2 and a₁ = 4

Let’s choose a = 4 and a₁ = -2 then

the two polynomials are respectively:

P : x³ + ax² + bx² + c  = x³ + 4x² + 5x + 4

Q : x³ + a₁x² + bx² + c  = x³ - 2x² + 5x + 4

5 0
2 years ago
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