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Aleonysh [2.5K]
2 years ago
5

What expressions is equivalent to -19.2 - (-3.8)

Mathematics
1 answer:
madam [21]2 years ago
4 0

Answer:

-19.2

Step-by-step explanation:

PLEASE MARK ME AS BRAINLIEST

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G(x) = -2x^3 – 15x^2 + 36x
shusha [124]

Consider the function G(x) = -2x^3 - 15x^2 + 36x. First, factor it:

G(x) = -2x^3 - 15x^2 + 36x=-x(2x^2+15x-36)=\\ \\=-x\cdot 2\cdot \left(x-\dfrac{-15-\sqrt{513}}{4}\right)\cdot \left(x-\dfrac{-15+\sqrt{513}}{4}\right).

The x-intercepts are at points \left(\dfrac{-15-\sqrt{513} }{4},0\right),\ (0,0),\ \left(\dfrac{-15+\sqrt{513} }{4},0\right).

1. From the attached graph you can see that

  • function is positive for x\in \left(-\infrty, \dfrac{-15-\sqrt{513} }{4}\right)\cup \left(0,\dfrac{-15+\sqrt{513} }{4}\right);
  • function is negative for x\in \left(\dfrac{-15-\sqrt{513} }{4},0\right)\cup \left(\dfrac{-15+\sqrt{513} }{4},\infty\right).

2. Since

G(-x) = -2(-x)^3 - 15(-x)^2 + 36(-x)=2x^3-15x^2-36x\neq G(x)\ \text{and }\neq -G(x) the function is neither even nor odd.

3. The domain is x\in (-\infty,\infty), the range is y\in (-\infty,\infty).

8 0
3 years ago
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jek_recluse [69]
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2 years ago
What is the value of the expression when a = 4?<br><br><br> 2a^3
dedylja [7]
I hope this helps you

8 0
3 years ago
6. Given the function
fredd [130]

Answer:

See below.

Step-by-step explanation:

The  x - 1 will  move whole graph 1 unit to the right.

The 1/2 will stretch it horizontally by a factor 2.

The 2 will  stretch it vertically by a factor 2.

The -7 translates it 7 units down.

7 0
3 years ago
Reflect the figure over the line y = 1. Plot all of the points of the reflected figure. You may click a plotted point to delete
Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

8 0
1 year ago
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