Question 1008488
If g(t) = log(25-5t)-3
a) Find g(5)
Wherever there's a t, sub 5
g(5) = log(25-5*5) - 3
= log(0) - 3
log(0) is not allowed.
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b) Solve g(t) = 0
log(25-5t)-3 = 0
log(25-5t) = 3
25-5t = 10^3 = 1000
-5t = 975
t = -39