uni 7 precalc apex
choose the function whose graph is shown below (lines look like upside down and right side up u's, pass directly over y)
y=secx
which of the following have period 2π? check all that apply
y=secx y=cscx
which function has the graph shown below
y=sin(x+pi )
choose the function whose graph is given by
y=sinx-3
choose the function whose graph is given by
y=tan(x-pi )-2
choose the function whose graph is shown below (mutiple lines on graph look like stretched out S'es)
y=tanx
(true or false) The graph of y=4 sin(x+3)-2 is obtained by shifting the graph y=4 sin x-2 horizontally 3 units to the right
false
(true or false) the cosine function is an odd function
false
which of the following functions illustrates a phase shift
y=-2-cos(x-pi)
Which equation represents the graph of y = cos x flipped across the x-axis then shifted vertically down by 2 units?
y=-cos x-2
choose the function whose graph is given by
y=0.5cosx
choose the function whose graph is given by
y=2sec((1)/(2)x)
which function has the graph shown below
y=3cos(-x)
which functions graph has a period of 2
y=3cospi x
choose the function whose graph is given by
y=3sin(x-2)+1
choose the function whose graph is given by
y=4cos(2x)
which of the following are equivalent to the function y=4cosx-2? check all that apply
y=4sin(x+pi/2) - 2 y=4cos(-x)-2
choose the function whose graph is given by
y=cos x-2
choose the function whose graph is given by
y=cos(4x)
choose the function whose graph is given by
y=cos(x+1)
Which graph represents a phase shift of π/2 units left for the graph of y = sinx
y=cosx
which graph appears to show a sinusoid
(1 and 2 only)
what is the maximum value that the graph of y=cosx assumes
1
what is the range of the function y=2sinx
-2,2
which functions graph has asymptotes located at the values x=+-npi
1 and 4 only
Let the function f(x) have the form f(x) = Acos(x + C). To produce a graph that matches the one shown below, what must the value of C be?. A.1. B.3. C.4. D.2
2
what is the period of the function y=2sinx
2 radian
What is the horizontal displacement of the basic graph to produce a graph of y=pi-3cos(x-2)
2 units right
what is the period of the secant function
2pi
Which function has a domain of all real numbers except x=pi/2 +- npi?
y=secx
for the function y=-3+4cos((5π)/6(x+4)) what is the minimum value
-7
Let the function f(x) have the form f(x) = Acos(x + C). To produce a graph that matches the one shown below, what must the value of A be?. A.1. B.3. C.4. D.2
4
what is the amplitude of the sinusoid's graph: y=-4sin3x
4
What is the minimum number of points required to mark all maximum, minimum, and zeros in a period of a sinusoid
5
for the function y=-1+6cos((2π)/7(x-5)) what is the maximum value
5
what is the amplitude of the sinusoid given by y=-5sin(7x)
5
what is the period of the sinusoid given by y=-3cos(2π/5(x))
5
Which of the functions have a range of all real numbers greater than or equal to 1 or less than or equal to -1? check all that apply. A. y=sec x B. y= tan x C. y= cot x D. y= csc x
A. y=sec x D. y= csc x
the domain of the sine function is ___
all real numbers
The vertical _____ of the function cosecant are determined by the points that are not in the domain.
asymptote
Which description matches the transformations y=cos x undergoes to produce y=3cos (-2x)
horizontal compression by factor 1/2, reflection through the y-axis, then vertical stretch by factor 3
Consider the function y=-2-3cos(x+Pi) what effect does PI have on the basic graph
horizontal shift left pi units
The term that describes how long it takes a function to repeat its behavior is the ___
period
at which value will the graph of y=cotx have a zero
pi/2
Which scenario describes periodic behavior
the movement of a cd in a cd player
Which natural phenomenon is the best example of periodic behavior
the time of sunrise each day
(true or false) Reflecting the graph of y=cosx across the y axis is the same as not reflecting it at all.
true
(true or false) The domain of y = csc x is given by x≠nπ.
true
(true or false) a function whose values repeat based on positions of a point that moves around a circle is called a sinusoid
true
which of the following are vertical asymptotes of the function y=3cot(2x)-4 check all that apply
x = 2pi x = +- pi/2 x = pi
which of the following describes the domain of y=secx, where n is any integer
x ≠ (π/2) + nπ
which of the following functions is NOT a sinusoid
y= Sqrtx
which functions graph is shown below
y=cosx
which of the following is a sinusoid
y=cosx
choose the function whose graph is shown below (mutiple lines on graph look like stretched out 2's)
y=cotx
which function has the graph shown below
y=cotx
which function is odd? check all that apply
y=cotx y=cscx y=sinx
which function has the graph shown below
y=csc(x)+1
choose the function whose graph is shown below (lines look like upside down and right side up u's, doesnt pass over y)
y=cscx
which function has the range (-infinty,0) U(2, infinity)
y=sec(x)+1