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Concept explainers
To Express : The postage P as a piecewise-defined function of the weight
![Check Mark](/static/check-mark.png)
Answer to Problem 83E
Explanation of Solution
Given information :
The domestic postage rate for the first-class letters weighing
Calculation :
It is known that
Let
Compute the function
Compute the function
Therefore, the function is written as,
Compute the function
Therefore, the function is written as
Compute the function
Therefore, the function is written as,
Hence, the function is represented as
Graph:
The graph is thus obtained as:
Chapter 2 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
- Use Euler's method to numerically integrate dy dx -2x+12x² - 20x +8.5 from x=0 to x=4 with a step size of 0.5. The initial condition at x=0 is y=1. Recall that the exact solution is given by y = -0.5x+4x³- 10x² + 8.5x+1arrow_forwardFind an equation of the line tangent to the graph of f(x) = (5x-9)(x+4) at (2,6).arrow_forwardFind the point on the graph of the given function at which the slope of the tangent line is the given slope. 2 f(x)=8x²+4x-7; slope of the tangent line = -3arrow_forward
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