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BigorU [14]
3 years ago
7

Which is equal to (f+g)(4) F(x)=(x-2)^2;G(x)=x+3 A. 34 B. 11 C. 18 D. 46

Mathematics
1 answer:
velikii [3]3 years ago
4 0
<span>The correct answer is:  [B]:  "11" .
____________________________________________________
Explanation:
____________________________________________________
(f+g)(4)  =  f(4) + g(4) ;

Given:  f(x) = (x</span>−2)² ;

            g(x) = (x+3) ;
____________________________________________
As such:

       f(4) = (4−2)² = 2² = 2*2 = 4 .

       g(4) = (4+3) = 7 .

____________________________________________
    (f+g)(4) = f(4) + g(4) = 4 + 7 = 11 .
____________________________________________
The answer is:  [B]:  "11" .
____________________________________________ 
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Q<br> (x + 40)<br> (3x – 20)<br> R<br> S<br> Find m
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Step-by-step explanation:

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3 years ago
Find the first partial derivatives of the function. f(x, y) = ax + by/ cx + dy
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¿Cuál es el área de un rectángulo, sabiendo que su perímetro mide 24 cm y que su base es el triple de su altura?
Brrunno [24]

Answer:

El área del rectángulo es:

27 cm²

Step-by-step explanation:

Consideración:

La formula del perímetro de un rectángulo es:

p = 2(altura + base)

Planteamiento:

24 = 2(a+b)

b = 3a

a = longitud de la altura del rectángulo

b = longitud de la base del rectángulo

Desarrollo:

sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:

24 = 2(a + 3a)

24/2 = 4a

12 = 4a

a = 12/4

a = 3 cm

de la segunda ecuación del planteamiento:

b = 3a

b = 3*3

b = 9 cm

Comprobación:

de la primer ecuación del planteamiento:

24 = 2(3+9)

24 = 2*12

Respuesta:

la formula del área de un rectángulo es:

A = base * altura

A = 9cn * 3cm

A = 27cm²

5 0
3 years ago
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