3 years ago

Four points are labeled on the number line which point represents the value of -1/2

Mathematics

1 answer:

ololo11 [35]3 years ago

7 0

Don’t listen to the people who give you the links

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What is the square root of 64 over 225 with a negative outside of the radical?

irinina [24]

The square root of (64/225) is the same as √64 / √225 .
That could make the whole thing easier.

Do you know what either of those separate square roots is ?

You're right ! I'm so impressed!
The square root of 64 IS 8, and the square root of 225 surely is 15 .
You really know your stuff !

So now, the expression is √64 / √225 = <em>8 / 15</em> .

Oh, I almost forgot, it has a negative sign before it. OK,so the answer is <em>- 8/15</em> .

5 0

3 years ago

Find the range of (f+g)(x) when f(x) = (x+4)^2 and g(x) = 3

qwelly [4]

$(f+g)(x)=f(x)+g(x)\\\\f(x)=(x+4)^2;\ g(x)=3\\\\(f+g)(x)=(x+4)^2+3=(x)^2+2(x)(4)+4^2+3\\\\=x^2+8x+16+3=x^2+8x+19\\\\Used:\\\\(a+b)^2=a^2+2ab+b^2$