Pure 2 Flashcards
1
Q
How to sketch|ax+b|
A
- sketch ax+b
- reflect any section below x-axis
2
Q
how to sketch a|x|+b
A
- draw the graph to the right of y axis
- reflect it to the left
3
Q
how to integrate k/x
A
k ln|x|
4
Q
concave is when:
A
f’‘(x) >0
5
Q
convex is when:
A
f’‘(x) < 0
6
Q
point of inflection is when:
A
f’‘(x) = 0
7
Q
A
