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2 years ago

What is the domain of y=log 4(x+3)?

Mathematics

2 answers:

klemol [59]2 years ago

6 0

Answer:

Y= log 4(x+3)

then you should do (x+3)= 3x= log 4.

Step-by-step explanation: Sorry I'm not 100 % sure so yeah

But let's see 3x = log 4

oh so then you need to divide 3 at both sides so then what's 4/3= 1.3333333333.

So now I think it's C). All real numbers are les than 3.

Maslowich2 years ago

4 0

All the real number less than -3. It the first one hope this help

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Find an equation of the line that passes through the points (-0.5,0.75) and (0.75,-0.5)

Keith_Richards [23]

The equation of the line can be shown using the slope intercept form that is

y= mx+b

where m is the slope and b is the y intercept

So firstly we have to find the value of slope m

To find the value of slope m we apply the formula

$m= \frac{( y_{2} - y_{1})}{( x_{2} - x_{1})}$

So we can plug the values using the two given points

(-0.5,0.75) and (0.75,-0.5)

$m= \frac{(-0.5-0.75) }{(0.75-(-0.5))} = \frac{-1.25}{1.25} = -1$

So m = -1

Plug m=-1 in the equation we get

y= -1x +b

Now we have to find the value of b

to find the value of b , we plug any one pint in the equation

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0.75 = 0.5 +b

Subtract 0.5 from both sides

0.25 = b

b= 0.25

Now plug the value of b , in the equation

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y = -1x +0.25

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