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balandron [24]
3 years ago
15

Given g(x) = 3x + 3, find g(-6).

Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

Answer:

-15

Step-by-step explanation:

g(x) = 3x + 3

Let x = -6

g(-6) = 3*-6 + 3

           = -18 +3

            = -15

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AysviL [449]
Sir I don’t understand what your getting at here
4 0
2 years ago
Please help me! For algebra 2 class. 45 points!
crimeas [40]

Answer:

1) There are four roots, with two real and two imaginary roots

The roots are x ±2, ±5·i

2) Therefore, there are 2 roots

The roots are real

The roots are x = -5 and x = 5

3) The possible factored form is therefore; (x + 5)²×(x + 1)×(x - 4)³×(x + 7)

4) Please see the attached graph of the function drawn with Microsoft Excel

Step-by-step explanation:

1) The given equations is as follows;

f(x) = x⁴ + 21·x² - 100

Let a = x², we have;

f(x) = a² + 21·a - 100

a = (-21 ± √(21² - 4 × 1 ×(-100))/(2 × 1)

a = -25 or 4

Therefore, x = √4 = ±2 or x = √(-25) = ±5·i

There are four roots, with two real and two imaginary roots

2) For f(x) = x³ - 5·x² - 25·x + 125

We have;

f(x) = x³ - 5·x² - 25·x + 125

From the equation, we see that x = 5 is a solution of the equation, therefore;

f(5) = 5³ - 5·5² - 25·5 + 125 = 0

Which gives, (x - 5) is a factor of the equation,

Dividing x³ - 5·x² - 25·x + 125 by (x - 5) gives;

x² - 25

(x³ - 5·x² - 25·x + 125)/(x - 5)

x³ - 5·x²

             {}- 25·x

{}                -25·x + 125

{}                0          +  0

Therefore, by long division, (x³ - 5·x² - 25·x + 125)/(x - 5) = x² - 25

(x - 5)×(x² - 25) = (x - 5) × (x - 5) × (x + 5)

Therefore, there are 2 roots

The roots are real

The roots are x = -5 and x = 5

3) From the polynomial zeros, we have x = -5, x = -1, x = 4, and x = 7

At x = -5 the polynomial touches the x-axis given two real roots with (x + 5)² being a factor

With the root at x = -1, a factor is (x - 1)

With the root at x = 4 which has the shape of a cubic function, we have a factor of (x - 4)³

For the root at x = 1, the factor is taken as (x + 7)

The possible factored form is therefore; (x + 5)²×(x + 1)×(x - 4)³×(x + 7)

4) The given function is therefore;

f(x) = (x + 8)³(x + 6)²(x + 2)(x - 1)³(x - 3)⁴(x - 6)

(x + 8)³(x + 6)²(x + 2)(x - 1)³(x - 3)⁴(x - 6)

Please see the attached graph of the function drawn with Microsoft Excel

4 0
2 years ago
Mount Everest is 8848 above sea level. Death valley is 86m below sea level. What is the difference in the elevation between the
Alex17521 [72]

8848 - (-86)

8848 + 86 = 8934

There is an 8934 foot difference.

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3 years ago
¿Qué tipo de polígono forman las coordenadas A (2,1), B (7,1), C (2, 4)?
White raven [17]

Answer:

Polígono en el plano de coordenadas

Step-by-step explanation:

En general, cuando una forma se define dentro de un plano de coordenadas, se define por los vértices, y luego las líneas se dibujan para conectarlas. Un polígono es cualquier forma compuesta de líneas rectilíneas o rectas. El polígono más pequeño es un triángulo, que tiene tres lados. Una figura de cinco lados es un pentágono.

Espero que esto te ayude :)

8 0
3 years ago
What is the GCF of two numbers when one number is a multiple of the other give an example
Sliva [168]

Let's say 6 and 12. 6 can go into 12 twice, making it a factor, and since it's half of 12, it's the GCF.

8 0
3 years ago
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