Question

The transformation from f to g represents a __________ stretch.
f(x)=√(x) g(x)=√(0.4x)

Answer 1

horizontal? or vertical stretch?

Answer 2

please help!!

Answer 3

how can u tell?

Answer 4

ohhh i see..
thankyou!!

Answer 5

oops i'm so sorry its stretch parallel to x-axis - thats horizontal

Answer 6

ohh so its horizontal.. not vertical?

Answer 7

i do apologies
i'll show you the 2 graphs on a link to prove it

Answer 8

oh no dont apologize..everyone makes mistakes.. im doing a homework/quiz so i didnt submit it yet!

Answer 9

http://www.wolframalpha.com/input/?i=y+%3D+square+root+%28x%29%2C++y+%3D+square+root+%280.4x%29

the blue curve is square root x and the red is sort (0.4x)

i've got those mixed up before

Answer 10

ohhh .. yeah thankyou!
but by anychance.. do u no the answer to this question?

Describe how to transform the graph of f into the graph of g.

f(x) = x3 and g(x) = - x3

A. Reflect the graph of f across the x-axis.

B. Reflect the graph of f across the y-axis.

C. Shift the graph of f down 1 unit.

D. Reflect the graph of f across the x-axis and then reflect across the y-axis.

Answer 11

values of f(x) are transformed to -f(x)

A reflection in x-axis

Answer 12

so itd be A? then

Answer 13

yes

Answer 14

oh thank you so much!!