Question

find the point on the graph of the function f(x)= f√x that is closest to the point (28,0)

Answer 1

f(x) = f * sqrt(x) ??
how come f on the right side

Answer 2

oh my god im sorry i wrote it wrong its suppose to be

Answer 3

find the point on the graph of the function f(x)= √x that is closest to the point (28,0)

Answer 4

great
so let us assume that (x, y) is the required point
since it lies on the graph y = sqrt(x)

distance of the point (x , y) from (28, 0) is ?
can you fill the ?

Answer 5

im not sure how to do that?

Answer 6

distance b/w two points (a,b) and (c, d) is
sqrt((a-c)^2 + (b - d)^2)
can you now?

Answer 7

=/

Answer 8

is it 57/2, √57/2?

Answer 9

how could you get a number
you should get it in terms of x and y

show me the working

Answer 10

im confused!!!!

Answer 11

i dont know i cant figure this one out

Answer 12

two points (x, y) and (28, 0) instead of (a,b) and (c, d)
just plug in the values
so
what is the distance between them ?

Answer 13

28?

Answer 14

dist is sqrt((28- x)^2 + (y-0)^2)
clear
????

Answer 15

yes...

Answer 16

now y = sqrt(x)
put this in the dist and tell me what you get

Answer 17

y=5.29?

Answer 18

x=28

Answer 19

i dont know how to figure this out im not getting the right answer..

Answer 20

the options are

Answer 21

now from where did you get y = 5.29
please for God sake this time show me your working even if you are confused

Answer 22

A. 57/2, √57/2
B. √57/2, 55/2
C. 55/2, √57/2
D. √55/2, 55/2
E.55/2, √55/2

Answer 23

i plugged it into the equation!!!

Answer 24

i dont have paint on my comp to send my work

Answer 25

use the draw feature given below or just type