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olga nikolaevna [1]
3 years ago
7

Evaluate f(x) when x = 3.

Mathematics
1 answer:
klasskru [66]3 years ago
3 0

Answer:

56

Step-by-step explanation:

Since 3 is between -6 and 9 we use the first definition

f(3) = 6 x^2 +2

     = 6(3)^2+2

    = 6(9) +2

   = 54+2

    = 56

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Brayden is simplifying the expression 4n – (n – 3)2. He begins by distributing the negative to the terms inside the parentheses.
seropon [69]

ANSWER

Brayden should have expanded the parenthesis first.

EXPLANATION

The expression Brayden is trying to simplify is

4n -  {( n - 2)}^{2}

To simplify this expression, the first thing to do is to expand the perfect square to obtain:

4n -  {( n}^{2}  - 4n + 4)

We can now distribute the negative to the terms in the parenthesis.

4n -  { n}^{2}   + 4n  - 4

4 0
3 years ago
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BJ added a cell phone to his familys plan his phone costs $5 a month how much does his phone cost him over 6 months?
Tems11 [23]

Answer:

30

Step-by-step explanation:

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3 years ago
Simplify. Rewrite the expression in the form b^n. b^10/b^6
Vlad1618 [11]

Answer:

<h2>The answer is b⁴</h2>

Step-by-step explanation:

\frac{ {b}^{10} }{ {b}^{6} }

Using the rules of indices

That's

\frac{ {a}^{x} }{ {a}^{y} }  =  {a}^{x - y}

Since the bases are the same and are dividing we subtract the exponents

So we have

\frac{ {b}^{10} }{ {b}^{6} }  =  {b}^{10 - 6}

We have the final answer as

<h2>b⁴</h2>

Hope this helps you

6 0
3 years ago
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The frederick County Fair costs $15.50 to get in and $2.50 pre ride, while the Montgomery County Fair costs $10.00 to get in and
miv72 [106K]

Answer:

Montgomery County Fair you would have to go on 10 rides and The frederick County Fair you would have to go on 12

Step-by-step explanation:

3+3+3+3+3+3+3+3+3+3=30

2.5+2.5+2.5+2.5+2.5+2.5+2.5+2.5+2.5+2.5+2.5+2.5=30

4 0
3 years ago
-1/4x+3=-3/2x-2 what is this equivalent to
frozen [14]

Pick any number for n        n(y) = n(3/2x + 4)        n(y) = n(3/2x) + n(4) 
7 0
3 years ago
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