1.2 Intro to Functions
This test determines if the graph is a function.
What is the vertical line test (VLT)?
The domain of y=x+2
What is all real numbers?
What is 7?
If f(x)=x-2, then f-1(x)=
The name of this function y=[x]
What is the step function?
This function is symmetrical across the y-axis
What is an even function?
The domain of y=sqrt{x}
What is all number greater than or equal to zero or x≥0?
If f(x)=x+5 and g(x)=x-2, this is f+g(x).
What is 2x+3?
If f(x)=2x, this is f-1(x)=
What is x=2y or y=(1/2)x?
What is y=-|x|?
This type of function will pass both vertical and horizontal line tests.
What is one-to-one function?
The domain of y=2/x
What is all real numbers except x≠0?
If f(x)=2x and g(x)=x3 , this is f(g(x)).
What is 2x3?
If f(x)=x2 then this is f-1(x).
What is x=y2 or y=sqrt(x)?
The equation of a cubic function, reflected across the y-axis, shifted left 5 and down 4.
What is y=(-x+5)3-4?
This type of function is symmetric across the origin
What is an odd function?
What is all real numbers except x≠2?
If f(x)=2x+1 and g(x)=x3 this is g(f(x)):
If g(x)=3x+4, then this g-1(x)=
What is x=3y+4, so y=(x-4)/3?
The equation for a hyperbola shifted three units up and 1 unit right
What is a jump discontinuity?
The domain of y=sqrt{x}/2x-6.
What is all numbers greater than or equal to zero (x≥0) except cannot equal 3, x≠3?
If f(x)=3x-1 and g(x)=sqrt{x}, this is f(g(9))
What is 8?
If g(x)=sqrt(x)+3, this is g-1(x)
What is x=sqrt(y)+3 so y=(x-3)2?
What is y=3*sqrt{-x-3}-2?