Evalu k(t) = 10t – 19 k(-7)=
1 answer:
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Answer:
Option c: all real numbers greater than 0
Step-by-step explanation:
we have
This is a exponential function of the form
where
a is the initial value (y-intercept)
b is the base
r is the rate
b=(1+r)
In this problem we have
a=1/7
b=9
r=b-1 ----> r=9-1=8 -----> r=800%
using a graphing tool
see the attached figure
The domain is the interval ------> (-∞,∞)
The domain is all real numbers
The range is the interval ---------> (0,∞)
The range is all real numbers greater than zero
Answer
49500litres
Step-by-step explanation:
Check attachment
