07.10.25.md (829B)
1 07/10/25 2 ======== 3 4 exp 5 --- 6 - see FIG1 for exp funcs 7 - e^x has the derivative of e^x 8 - it crosses at (0, 1) 9 - never crosses the x axis 10 11 log 12 --- 13 - see FIG2 for exp funcs 14 - ln(x) is a mirror of e^x along y=x 15 - ln(x) has the derivative of 1/x 16 - never crosses the y axis 17 18 even and odd functions 19 ---------------------- 20 - if FIG3 is true for all values of x then the function is even 21 - x^2 is an even function 22 - see FIG4 for the definiton of an odd function 23 - y = x is an odd function 24 - see FIG7 for how to split a function into even and odd parts 25 - see FIG8 for how to split e^x 26 27 hyberbolic functions 28 -------------------- 29 - note that fo(x) = sinH(x) not sin(x), it is sin hyberbolic in FIG8 not 30 - fe(x) in FIG8 is cosH(x) 31 - tanH(x) is sinH(x) / cosH(x) 32 33 combining functions 34 ------------------- 35 - see FIG10 for combining functions 36 37 38