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

How do I factor 2y^2 - y - 10

A microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus has a diameter of of 2 x 10`-7 meter. how large will the di

Is Smoking in Japan Illegal? Please help me :)

Im not quite sure how to answer this question... A 1000kg rocket is moving at a constant velocity in deep space; it is moving at 40 meters/second when its burne

what did Benjamin franklin feel strong about

Im not quite sure how to answer this question... A 1000kg rocket is moving at a constant velocity in deep space; it is moving at 40 meters/second when its burne

Can someone tell me what is Anaphora?

Which of the following is the equation of a line parallel to the line y=3x+2, passing through the point (10,1)? A. 3x - y=29 B. 3x + y=29 C. -3x - y=29 D. 3x +

luisa has 183 pennies. hert dad gives her 128 more write a number sentence to show many pennies luisa has now

Is There Still Slavery in the World? Please help me :)