lame3245 lame3245
  • 02-03-2019
  • Mathematics
contestada

Please help!
f *( x ) = 2 sqrt ( x - 5 ) + 4

What's the value of f(21)

Respuesta :

hroscoe
hroscoe hroscoe
  • 02-03-2019

Answer: 4 (assuming the number 4 at the end of the equation IS NOT under the radical

Step-by-step explanation:

Plug 21 in for x:

2squareroot (21-5) + 4

2squareroot 16 + 4

2(4) + 4= 12

Answer Link

Otras preguntas

what is the solution to the proportion? 3y-8/12=y/5? Please be really discriptive
Why were some Americans unhappy with jays treaty
Is 4/16;0.25 equivalent numbers
Luisa's restaurant and Bill comes to $75.50, and she leaves a 15% tip. What is Luisa's total restaurant bill?
I have to do some paper about racism and discrimination. Those are some of the questions that I need to answer. Can someone please answer me? At least now all o
V=1/3πr^2h solve for h. Please show work.
On a true/false test, the ratio of true questions to false questions is 3 to 7. What is the ratio of true questions to total questions?
Name 3 sports activities that use aerobic respiration
In retaliation for the Boston Tea Party, the British passed laws to punish Massachusetts. Specifically, the British closed Boston Harbor to trade until restitut
i need a sentence with patriotically