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Nataly [62]
3 years ago
7

Which of the following represents the graph of f(x) = 3x2 - 12 ?

Mathematics
1 answer:
xxMikexx [17]3 years ago
8 0
F(x) = 3x² - 12

Finding where the graph crosses the axes will help us to determine the correct graph

When x = 0,
f(0) = 3(0)² - 12
f(0) = -12

So we have one point (0, -12)

When y = 0
0 = 3x² - 12
12 = 3x²
4 = x²
√4 = x
x = ⁺/₋ 2 

So the graph crosses the x-axis at -2 and 2 and the y-axis at -12

The correct graph is option A
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Answer:

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Step-by-step explanation:

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3 years ago
A local company makes a candy that is supposed to weigh 1.00 ounces. A random sample of 25 pieces of candy produces a mean of 0.
AysviL [449]

Answer:

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Step-by-step explanation:

Information given

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s=0.004 the sample deviation

n =25 the sample size

Solution to the problem

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And on this case we have that ME =0.001 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

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Answer:

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