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Damm [24]
3 years ago
8

Evaluate the function. f(x) = 3x² – x Find f(10)​

Mathematics
1 answer:
kirill [66]3 years ago
4 0

Answer:

<em>f(10)=290</em>

Step-by-step explanation:

<u>Function Evaluation</u>

Given a function f(x) as an explicit expression, finding f(x=a) implies substituting the value of x by a in every instance it occurs.

We are given the function:

f(x)=3x^2-x

It's required to find f(10). We replace the x for 10:

f(10)=3*10^2-10

Operating:

f(10)=3*100-10

f(10)=300-10

f(10)=290

Thus, f(10)=290

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3 years ago
] What percentage of the last 30 U.S. Presidents were inaugurated at the age of 60 or later? (Round to 1 decimal place.)
svetlana [45]

Answer:

20.0%

Step-by-step explanation:

The last 30 presidents of America starts from the 16th president, Abraham Lincoln and ends with the current and 45th president, Donald Trump.

The presidents that are 60 and above years during this period include

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The percentage is given by

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3 years ago
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If the three integers are a,b,c, then we have

\dfrac1a+\dfrac1b+\dfrac1c=1

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Step-by-step explanation:

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