The domain of sine function
What is xER (all real numbers)?
The horizontal and vertical shift of the function below.
y=-5sin(x-45)+2
What is shifted right 45 and up 2
The a-value when a function has a max of 6 and a min of -6.
What is a = 6
f(x) = sin x + 3
a = 1
D:{XER}
R:{YER|2<y<4}
(True or False) This represents a periodic function:
True
What two letters of sine function work together to tell you the range?
What is a and c?
The horizontal and vertical shift of the function below.
y=4sin(x+90)-2
What is shifted left 90 and down 2
What is: y = 2 sinx - 5
Why can the movement of the hands on a clock be represented by a Sine Function?
(True or False) The c-value for this graph is c = 1
False (c = 0)
What is the range of a sine function with a=1 and c=0
What is {yER -1 <y<1}
What transformations have been applied?
y=-sin(x-30)+6
reflected down
shifted right 30
shifted up 6
The c-value of this graph
What is c = 2?
What are three things in our everyday life that can be represented by a Sine Function?
Ferris Wheel, tides, phases of the moon, sunrise/sunset, windmill blades, waterwheel...
(T/F): A positive a-value has a graph of sine function that reflects about the x-axis.
False
The definition of the period of a periodic function
What is the horizontal distance on the graph when the patter repeats itself?
What transformations have been applied?
y=1/2 sinx+1
a = 1/2
shifted up 1
The amplitude of this graph
What is a = 3?
The spokes of a water wheel go around in a consistent pattern, represented by:
h(x)=sin x
What is the radius of the water wheel?
radius = 1
T/F: These are co-terminal angles: 75 & 425
False
For the general function in the form given below. This is the explanation for what causes a phase shift left or right.
y = a sin[k(x - d) + c
What is -d is a phase shift left (x + d)
and
+d is a phase shift right (x - d)
What transformations have been applied?
y= 4sin(5(x-10))+7
vertically stretched by 4, a = 4
period = 72 (horizontally compressed)
shifted right 10
shifted up 7
The Sine Function equation, when the function has a period of 90 and a phase shift of right 45.
What is: y = sin[4(x - 45)]
The height of a Ferris Wheel is modelled by:
h(x)=6sin(x-45)+7
What are the maximum and minimum heights of the riders on the Ferris Wheel?
max = 13
min = 1
T/F: The period is 4
True