Exponentials + logs Flashcards
1
Q
What happens with …..
1. an increase in b
2. negative b
A
- increases the steepness of the line (gradient)
- reflection in the x axis
2
Q
What happens with …..
1. an increase in a
2. negative a
A
- an increase in y intrcept
- negative y intercept (a reflection in the x axis)
3
Q
Relationship between a reciprocal base
A
4
Q
A
5
Q
what is the difference between exponetial growth curve and decay curve?
A
- growth: population, disease
- decay:
6
Q
A
7
Q
A
8
Q
A
Asymptotes change
9
Q
A
10
Q
A
11
Q
A
12
Q
What are logarithms ?
A
The inverse of exponentials, gives the missing power
13
Q
Convert log and exponential form
A
14
Q
She thinks the logarithm graph
A
15
Q
A
16
Q
A
17
Q
What is the Natural logarithm?
A
18
Q
A
19
Q
What is Euler’s number?
A
Where the gradient function = the function
20
Q
What is the rule when differentiating exponential functions?
A
21
Q
A
22
Q
A
23
Q
A
24
Q
A
25
Q
A