Question

For the parent function y equals the square root of x what effect does a value of b = -2 have on the graph?
Answers:

Horizontal compression by a factor of one half and a reflection across the x-axis.

Horizontal compression by a factor of negative one half and a reflection across the y-axis.

Horizontal compression by a factor of negative one half and a reflection across the x-axis.

Horizontal compression by a factor of one half and a reflection across the y-axis.

Answer 1

Can i see the parent function?

Answer 2

Is b outside or inside the square root?

Answer 3

no it's not it is y=\[\sqrt{x}\]

Answer 4

thats the parent function

Answer 5

Hello?

Answer 6

Oh, the answer is the key. All the answers have horizontal compression which means that b is inside the square root. if b was outside then it would just shift the graph down by 2. Compression is when f(x) is changed by f(x/c) so sqrt(x/-2) will compress the function by a factor of 1/2 and the negative will reflect it across the y axis.

Answer 7

so the answer is b?

Answer 8

the second one

Answer 9

I would say its d because the reflection of the y axis covers the negitive.

Answer 10

Is this an online test?

Answer 11

No Hw Than You!

Answer 12

I just wanted do find out if that right.

Answer 13

Thanks for the metal!

Answer 14

No Problem