mabelmarie121016 mabelmarie121016

02-08-2020
Mathematics

contestada

For the functions f(x)=−7x^2−x and g(x)=9x^2−4x, find (f−g)(x) and (f−g)(1)

Respuesta :

xKelvin xKelvin

02-08-2020

Answer:

See below.

Step-by-step explanation:

[tex]f(x)=-7x^2-x\\g(x)=9x^2-4x\\(f-g)(x)=f(x)-g(x)\\(f-g)(x)=(-7x^2-x)-(9x^2-4x)\\(f-g)(x)=-7x^2-x-9x^2+4x\\(f-g)(x)=-16x^2+3x\\\\(f-g)(1)=-16(1)^2+3(1)\\(f-g)(1)=-16+3=-13[/tex]

Answer Link

Otras preguntas

what is 4 multiplied by 2/3 in fraction form

A certain solution of salt water is 10% salt and weighs 50 pounds., More salt must be added to produce a solution that ls 25% salt. If x represents the pounds o

700 in standard form

You can tell if an object is in motion if ___. A. Its reference point is in motion B. Its reference point is stationary C. Its position changes relative to a re

A number times nine + four gives you fifteen if you have time

To enlist in the US Navy, an applicant must be a high school graduate. Research and describe a program that allows high school seniors to enlist in the US Navy.

A recipe makes 623 cups. The serving size is 56 cup. How many servings does the recipe make? (Divide)

Donell compared the hours students spent each day on social networks to the hours they spent on homework. His data is shown below. Which statements are true? Ch

What is this thought process for creating art known as?

What value of b will cause 16x ^ 2 + bx + 4 = 0 to have one real solution ?