Inverse functions Flashcards
1
Q
f(x) and g(x) are inverse functions if
A
f(g(x))=x and g(f(x))=x
2
Q
What does a function have to past to be a function?
A
The vertical line test
3
Q
What does a function have to pass to be an inverse?
A
The vertical and horizontal line test
4
Q
HYPERBOLIC TRIG what is sinhx=
A
(e^x-e^-x)/2
5
Q
What is coshx=
A
(e^x+e^-x)/2
6
Q
What is tanhx=
A
sinhx/coshx
7
Q
What is cothx=
A
coshx/sinhx
8
Q
What is sechx=
A
1/ coshx
9
Q
what is cschx=
A
1/sinhx
10
Q
What does cosh^2x+ sinh^2=
A
1