Concept explainers
a.
To calculate: The exponential function for the given information.
a.
Answer to Problem 42PFA
B. P=
Explanation of Solution
Given information: Initially the ball is with 1.6pounds of air. For each 2 months, the air is halved in the ball.
Formula: Let’s use half life formula
For this problem, it is given
Plug in these values into the formula
We are given with t =9 months.
So, plug in these values into the formula
b.
To calculate: Explain how we determined the exponent in the equation.
b.
Answer to Problem 42PFA
Exponent is
Explanation of Solution
Here it is given half life is 2 months.
And asked to find the air after 9 months.
So,
c.
To calculate: In this case explain how determine the base of the exponential expression.
c.
Explanation of Solution
Here it is given the ball loses it’s half air for every 2 hours.
So, we used base as half .
Half is same as 0.5(both are same).
Chapter 7 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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