Functions Flashcards
0
Q
Domain?
A
Refers to x values
1
Q
Range?
A
Refers to y values
2
Q
Range refers to values between the minimim and maximum points. How do we find minimum and maximum points?
A
To find x co-ordinate, differentiate and then make fâ(x) equal to 0. Find the value, of x then substitute this back into your original equation f(x).
3
Q
How do we find range if it is just a quadratic with one turning point
A
Complete the square. It is the value outside the brackets.