Ch14 Exponentials and logarithms Flashcards
1
Q
logx + logy
A
logxy
2
Q
logx - logy
A
logx/y
3
Q
log(x^k)
A
klogx
4
Q
log1/x
A
log(x^-1) = -logx
5
Q
log1
A
0
6
Q
y=lnx
A
reflection of y = e^x in line y=x
7
Q
e^lnx
A
ln(e^x)
8
Q
y=ax^n
A
log y against log x
straight line
gradient n
vertical intercept loga
9
Q
y=ab^x
A
log y against x
straight line
gradient log b
vertical intercept loga
10
Q
logaB = x
A
a^x = b
