autumna28 autumna28

11-11-2019
Mathematics

contestada

Given f(x) = 2x + 9, if f(x) = 15, find x.

Respuesta :

flcral9230 flcral9230

11-11-2019

if f(x) = 15, then rewrite the equation replacing the f(x) with 15

15 = 2x + 9

subtract 9 from sides

15 - 9 = 6

9 - 9 = 0

then, you would be left with 6 = 2x

divide by 2 on both sides

6/2 = 3
2x/2 = x

x would be 3 :)

Answer Link

Otras preguntas

If you had a fund with a Year 1 return of +30% and a year 2 return of -25%, what is this fund's a. average annual return for the two years and b. actual retur

Your supervisor has asked you to complete a task with three coworkers. In order to impress your supervisor, the best plan would be to ______. a. avoid the task

What was the name of the scandal that forced President Nixon to resign? User: Who from each Cabinet department is responsible for reporting to and advising the

Which of the following is not a reason the Gulf Coast has been successful in industry? a. sources of energy c. ocean ports b. excellent fishing d. petrochemical

The power of both the local and federal governments to tax is an example of

According to Lucas, use of the word necessary in the first paragraph of the Declaration of Independence makes a revolution seem

How did African American help the abolitionist movement gain strength?

why people is really important for someone

____ is the process of copying an item from the Office Clipboard into the document at the location of the insertion point. Clipping Dragging Pasting Dropping

The possessive case of personal pronouns requires the use of an apostrophe. A True B False