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2 years ago

CAN SOMEONE PLEASE HELP ME WITH MY HOMEWORK.

Mathematics

1 answer:

Anna71 [15]2 years ago

7 0

Answer:

Check pdf

Step-by-step explanation:

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QUESTION 20

Elodia [21]

Answer:

B. -55

Step-by-step explanation:

La resta entre ambas funciones consiste en la sustracción de términos semejantes como demostraremos a continuación:

1) $f(x) =-2\cdot x ^{2}-6$ Dado

2) $g(x) = x+4$ Dado

3) $(f-g)(x) = (-2\cdot x^{2}-6)-(x+4)$ Definición de resta de funciones.

4) $(f-g)(x) = (-2\cdot x^{2}-6)+(-1) \cdot (x+4)$ $(-1)\cdot a = -a$

5) $(f-g)(x) = (-2\cdot x^{2}-6) + (-x-4)$ Propiedad distributiva/ $(-1)\cdot a = -a$

6) $(f-g)(x) = -2\cdot x^{2}-x+(-6-4)$ Propiedad conmutativa

7) $(f-g) (x) = -2\cdot x^{2}-x-10$ Sustracción de términos semejantes/Resultados.

A continuación, evaluamos la función resultante en $x = -5$ :

$(f-g)(-5) = -2\cdot (-5)^{2}-(-5)-10$

$(f-g)(-5) =-55$

Por ende, la respuesta correcta es B.

8 0

2 years ago

Hi freeeeeeeeeeeeeeeeeeeeeeee

Lemur [1.5K]

Answer:

thank

Step-by-step explanation:

you

6 0

2 years ago

Read 2 more answers

I need to put parenthesis in order to make this statement true.....help

saveliy_v [14]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

I'll give BRAINIEST .............

Andrew [12]

Its 0.25. ez. i hope i helped :)

3 0

3 years ago

9.12cm 10.36cm 11.34cm 12.61cm

Vinvika [58]

Tan80 = QR / RS
QR = 5.67 (2)
QR = 11.34

answer

11.34cm

8 0

2 years ago