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Unit 6 - Exponential logarithmic functions and eqautions, log, compound…
Unit 6 - Exponential logarithmic functions and eqautions
arithmetic sequences
common difference
nth term explicit rule - f(n) = a(1st term) + d(common difference) (n -1 ) :warning:
or Un = Uo + n * common difference
Sn = n/2 (2a + (n-1)d)
geometric sequences
Sn = a(r ^n - 1)/r-1
a n = ar^n-1
exponential growth functions = ab^x-h + k
H.A.
reference points eg. parent fucntion - (0,1) (h, a+k)
graph it
give domain and range
decay functions = 1/b ^x
the base of e applies the same as the growth one
choosing linear, growth, decay, quadratic functions
log
log base result = power
the properties &solve
compound interest
the formula stuff