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quester [9]
2 years ago
8

Graph the function and identify the domain and range y= -4 x^2

Mathematics
1 answer:
attashe74 [19]2 years ago
5 0

Step-by-step explanation:

y=-4x²

if <em><u>x=0</u></em> x=2

y=0 y=16

<em><u>x=</u></em><em><u>1</u></em> x=-2

y=4×1² <u>y=-16</u>

y=4

<em><u>x</u></em><em><u>=</u></em><em><u>-1</u></em>

y=-4

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3 years ago
3. x + 4y = 30<br> x - 2y = 0
kolbaska11 [484]

Answer:

Step-by-step explanation:

Given that:

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3 years ago
A 90% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a
Stella [2.4K]

Answer:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

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Intepretation: We are x% sure that the population mean is between a and b.

In this question:

90%

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So

We are 90% sure that the mean salary of all CEO's falls within this interval.

The correct answer is:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

4 0
3 years ago
Y + 12 = -26 thank you if you answer me ​
tia_tia [17]

Answer:

-38

Step-by-step explanation:

1. Isolate y to one side.

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y=-38

3 0
3 years ago
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