1. A class Linear is defined as follows.
class Linear {
pr ivate :
double a0...
Computers and Technology, 11.06.2020 11:57 ethanyayger
1. A class Linear is defined as follows.
class Linear {
pr ivate :
double a0 ;
double a1 ;
pub l ic :
Linear (double , double) ;
double substitute (double) ;
void display () ;
} ;
Linear represents a linear expression in the form of
a0x + a1. (1)
In other words, a0 and a1 are a0 and a1 respectively in the class definition. The function substitute
computes and returns the value of (1) when x is substituted by the input argument of substitute.
The display function displays the expression (1) in the form of
a0 + a1*x
Write
(a) the two-argument constructor,
(b) the member function substitute and
(c) the member function display
of Linear.
Then derive Quadratic from Linear to handle quadratic expression objects in the form of
a0 + a1x + a2x
(2)
Include a2 of type double as the private member of Quadratic. Provide a three-argument constructor
for Quadratic. Override the member functions substitute and display. The substitute function
in Quadratic evaluates and returns (2) by substituting the value passed into the equation. The display
function of Quadratic prints the quadratic expression in the form of
a0 + a1*x + a2*x^2
Utilize the functions in Linear whenever possible. Explain how a product between two linear expressions can be computed in your program. In which class should the calculation be done?
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