PLEASE HELP MAX POINTS AND BRAINLIEST!!!
2 answers:
f(d) = 11(1.01)^d
Part A:
f(d) = 11.79
11.79=11(1.01)^d (1.01)^d = 11.79/11 (1.01)^d = 1.071818 d = log 1.071818 /log 1.01
d = 6.97
Part B:
y- intercept is obtained when domain = 0
d = 0 ⇒ f(0) = 11(1.01)^0 = 11*1 = 11
f(d) = 11
Part C:
Average rate of change
A.f/Ad=
(f(7)-f(2))/(7-2) = (11(1.01)^7-11(1.01)^2)/5 = 0.57/5 =
#1
As d is days
So days can't be negative
hence domain is W or Whole numbers set.
But according to the equation
y=7(1.06)^d 13.29=7(1.06)^d 1.06^d=1.898 dln1.06=ln1.898 d=1.79 Round to next whole as it's no of days
d=2
Domain=[2,oo)
#b
Put d=0
f(0)
It passes through (0,7)
But 0 is not in domain ,hence no y intercept in real
#C
f(11)
f(4)
Rate of change
f(11)-f(4)/11-4 13.28-8.83/7 0.6 It represents change in radius
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