Monday
July 28, 2014

Homework Help: Math

Posted by Crystal on Tuesday, December 11, 2012 at 7:47pm.

For f(x) = 1/2sin2(x-90)

What are the transformations?

The 1/2 means a vertical compression by a factor of 1/2

And (x-90) means there's a phase shift right 90

But what does the 2 mean? The one immediately left to the (x-90).

Does it mean a horizontal compression by factor of 1/2?

Because when I draw the graph for it going by what I have above, I get something different from what I calculate the main 5 points as :

(x,y) -> (2x+90, 1/2y)
(0,0) -> (90, 0)
(90,1)-> (270, 1/2) ... When I draw the graph, the point I get is (270, 0).

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

algebra 2 - What are two different transformations that will transform f(x)=5x+3...
math - The sinusoid y=3cos(x+3)-2 has which of the following? a. phase shift of ...
Pre-calculus - State the period, phase shift, and vertical shift of the function...
precalculus - How do I find the vertical/horizontal compression/stretch? For the...
Math Finals - URGENT - Transformations - when you have "y = 1/2sin2x". . . Does ...
Calculus. Please!! i need help so bad!!! - 1. Graph y =sec(1/2O-2pi) 3. the O ...
Trig/Math - f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift...
Trig/Math - f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift...
Precalculus - Can someone help me with this question? I got the transformation ...
Math/Trig - Write the sine function with an amplitude of 1/4, a period of 3pi, ...

Search
Members