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satela [25.4K]
3 years ago
12

f as a function of x is equal to the square root of quantity 4 x plus 6, g as a function of x is equal to the square root of qua

ntity 4 x minus 6 Find (f + g)(x). x times the square root of 8 4x square root of 8 times x The square root of quantity 4 times x plus 6 plus the square root of quantity 4 times x minus 6
Mathematics
2 answers:
AfilCa [17]3 years ago
4 0

Answer:

Last one

Step-by-step explanation:

The function f is:

● f (x)= √(4x+6)

The function g is:

● g(x) = √(4x-6)

Add them together:

● f+g (x)= √(4x+6 )+ √(4x-6)

Akimi4 [234]3 years ago
4 0

Answer:

\large \boxed{{\sqrt{4x+6} + \sqrt{4x-6} }}

Step-by-step explanation:

f(x)=\sqrt{4x+6}

g(x)=\sqrt{4x-6}

(f+g)(x)

f(x)+g(x)

Add both functions.

(\sqrt{4x+6} )+ (\sqrt{4x-6} )

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Solution and how to convert 8 / 21 into a percentage

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Step-by-step explanation:

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The volume of a cubic box is 10 to the power of 6 cubic millimeters. Write the volume in standard form
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3 years ago
Read 2 more answers
One pound of swordfish costs as much as 1.5 pounds of salmon. Mrs. O pays $39 for 2 pounds of salmon and 3 pounds of swordfish.
Dimas [21]

Answer:

The ratio of the amount for swordfish to the amount of salmon is 6:4

Step-by-step explanation:

Given as :

The price for 1 pound of swordfish = The price of 1.5 pound of salmon

So, On this relation

The price for ( 1 × 2 ) pound of swordfish = The price of ( 1.5× 2 )  pound of salmon

i.e The price for 2 pound of swordfish = The price of 3 pound of salmon

Now According to question

Mrs. O pay the total money for 2 pounds of swordfish and 3 pound of salmon = $ 39

Let the money she pay for swordfish = 2 sw

And The money she pay for salmon = 3 sa

∵, The total money she pay for both  = $ 39

I.e  2 sw + 3 sa = 39

As 2 sw = 3 sa

So, 3 sa + 3 sa = 39

Or, 6 sa = 39

or, sa = \frac{39}{6} = \frac{13}{2}

∴ sw = \frac{13}{2} × \frac{3}{2}

or, sw = \frac{39}{4}

Now, the ratio of the amount for swordfish to the amount of salmon = \frac{\frac{39}{4}}{\frac{13}{2}}

I.e The ratio = \frac{6}{4}

Hence The ratio of the amount for swordfish to the amount of salmon is 6:4

Answer

3 0
3 years ago
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