mikeeee27 mikeeee27

25-07-2019
Mathematics

contestada

For f (c)=2x+1 and g(x)=x^2 - 7 find (f-g)(x)

For f c2x1 and gxx2 7 find fgx class=

Respuesta :

03-08-2019

Answer:

[tex]\large\boxed{D.\ -x^2+2x+8}[/tex]

Step-by-step explanation:

[tex](f-g)(x)=f(x)-g(x)\\\\f(x)=2x+1,\ g(x)=x^2-7\\\\\text{substitute:}\\\\(f-g)(x)=(2x+1)-(x^2-7)=2x+1-x^2-(-7)=2x+1-x^2+7\\\\=-x^2+2x+(1+7)=-x^2+2x+8[/tex]

Answer Link

Otras preguntas

(Please help!) Divide: (4x² +33x+37) = (x+7) Quotient: Remainder:

PLEASE HELP When solving an algebraic expression, our goal is to get the variable _______________ on one side of the equal sign.

1/3 + a = 5/4 a = __??

PLEASE HELP Bill receives a monthly stipend of $800. He also works at a bookstore making $8 an hour. He wants a monthly income of $1,200. How many hours does h

Pls help due ASAP show workings

Question 11 (5 points) The following equation is balanced correctly: Li + 02 --> Li20 O True False

simplify 3 times 2 to the power of 4

Préciser le nom et la date de la loi fondamentale pour les droits des usagers.

Are these fractions equivalent or nonequivalent? 4/9 8/18

Imagine that each of these 40 students then made their choices from the list of four personality types. What proportion of the 40 students needs to match correc