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

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

Maria's book is longer than Brandon S. Then's. The difference in the two book lengths is 56pages. The total amount of pages in both books!Maria's and Brandon's

Identify this conic section. x 2 + y 2 = 25 line circle ellipse parabola hyperbola

-7+10x=54 9y-5x=81 Solve please

Melissa is at the gym for a leg workout. They first start warming up by squatting with only the squat bar (45 lbs): this is an easy task for her. Then, she goes

Match a cloud type with each statement. 1. cirrostratus I need to stay indoors! 2. stratocumulus I don't need an umbrella. 3. cumulonimbus I most likely need an

A) How many joules of energy does a 100-watt light bulb use per hour? Express your answer using two significant figures. B) How fast would a 65 kg person have t

How many people are in this world

The following IUPAC name is incorrect. Explain why it is incorrect and give the correct IUPAC name. 2,2−dimethyl−4−ethylheptane a. The compound name is alphabet

T/F: Myths seek to answer life's fundamental question

Can you please do 15 and 16