Y varies directly as x and y = 88 when x = 16. Determine the value of x when y = 77.
1 answer:
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Answer:
Option A. ; grows approximately at a rate of 0.4% daily
Step-by-step explanation:
we have
where
f(x) the number of weeds in the garden
x ----> the number of weeks
Calculate how quickly the weeds grow each day
Remember that a week is equal to seven days
so
Using the law of exponents
b^(x/a) = b^(x*(1/a)) = (b^(1/a))^x
so
therefore
The rate is approximately
1.04=1+r
r=1.04-1=0.04=4% daily
Answer:
A
Step-by-step explanation:
(because -4 is equal to -4 and meets the condition of the top inequality, you plug in -4 into the top function)