eileenkay22 eileenkay22

04-08-2015
Mathematics

contestada

Let f(x) = x - 2 and g(x) = x2 - 7x - 9. Find f(g(-1))

Respuesta :

04-08-2015

[tex]f(x)=x-2 \\ g(x)=x^2-7x-9 \\ \\ g(-1)=(-1)^2-7 \times (-1)-9 = 1+7-9=-1 \\ f(g(-1))=f(-1)=-1-2=-3 \\ \\ \boxed{f(g(-1))=-3}[/tex]

Answer Link

Otras preguntas

Ned rode his bike 7 miles to the library. he took a shortcut on the way home which was only 5 miles long. how many miles did ned ride altogether?

Express using algebra. A teacher handed out m notebooks which came in packs with c notebooks in each pack. How many packs were there?

Sally invests $5000 in an account earning 8% interest, compounded continuously. After how many years will she double her investment? [Use the formla A = Pert an

Identify the sentence that best reflects the "you" attitude. a. i need your completed questionnaire by december 1 so i can prepare my report. b. we have extende

Which switch configuration creates a short circuit? A. Switches 1, 3, and 4 closed, switch 2 open B. Switches 1, 2, and 3 closed, switch 4 open C. Swit

Under what conditions can igneous rock be transformed into metamorphic rock?

Find all real numbers x such that 3x - 7 ≤ 5x +9. Give your answer as an interval.

What are your thoughts on bisexuality and the mutual misunderstanding about something that is natural and prevalent in animal and humankind?

Carbon monoxide (co) is toxic to humans because it:

What is the product of the following expression? 2x(x^2+x-5)