3 years ago

For which values of x is the function f(x)= 4/x not defined?

1 answer:

7 0

$f(x)=\dfrac{4}{x}$

Answer: The function f(x) is not defined for x = 0 because <span>the denominator cannot be equal 0.<span /></span>

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What two numbers multiply to 72 and add to 14?

Ymorist [56]

Answer:

4 and -18

Step-by-step explanation:

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3 years ago

A gym charges a $50 activation fee and $17 per month for a membership. If you spend $356, for how many months do you have a gym

Paha777 [63]

18 months bc 356-50=306/17=18

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3 years ago

PLZ HELP IF WRONG ILL REPORT

dimulka [17.4K]

I HONESTLY WOULD THINK THIS COULD BE BIAS ONLY BECAUSE DIFFERENT OPINION ARE INCLUDED BUT AT THE SAME TIME BESTBUY NEVER SAID ANYTHING ABIUT THEM HATING BESTBUY

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3 years ago

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Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average. Margie wants to k

mojhsa [17]

Answer:

0.6804

Step-by-step explanation:

Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.

Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3

Required probability

= Prob that atleast four of 6 times good serve

= $P(X\geq 4)$

= $P(x=4,5 or 6)\\=1-F(3)\\=0.6804$

Formula used:

P(X=r) = $6Cr (\frac{2}{3}^r )(\frac{1}{3}^{6-r} )$

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3 years ago

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What is the range of the function y= -|x|

Katen [24]

Hello, again!!

So, the range is the outcome when you plug in any x. In other words, the y.
Because this is absolute value, the x will turn positive. However, the number will then turn negative.
Therefore, y will ALWAYS be negative.

The answer is C.

Hope this helps!! Let me know if you have ANY questions.

4 0

3 years ago