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Misha Larkins [42]
2 years ago
6

Please I need this ASAP I will give a lot of points if I get the right answer thank you

Mathematics
1 answer:
snow_tiger [21]2 years ago
4 0

Step-by-step explanation:

The function f(x) is defined as a line with a slope of -3 and a y-intercept of 4, hence following the definition of the slope-intercept form of a line,

                                               f(x) \ = \ -3x \ + \ 4.

Similarly, for g(x) as shown in the graph. First, to find the slope of the line defined by g(x),

                                             m_{g(x)} \ = \ \displaystyle\frac{7 \ - \ (-9)}{0 \ - \ 4} \\ \\ m_{g(x)} \ = \ -4.

Moreover, it is given that the line passes through the point (0, 7) which is the y-intercept of g(x). Thus,

                                                 g(x) \ = \ -4x \ + \ 7

It is known that all polynomial functions are defined everywhere along the real number line and since both functions, <em>f</em> and <em>g</em>, are polynomial functions of the 1st degree, represented by the general form of the function

                                                       f(x) \ = \ mx \ + \ c,

where m is the slope of the line and c is the y-intercept (the y-coordinate of the point in which the line intersects the y-axis) of the linear function with their domains following the set \{x \ | \ x \in \mathbb{R} \}.

Furthermore, both functions <em>f</em> and <em>g</em> have no points of discontinuity (no points where the function is not defined). Hence, the range of functions <em>f</em> and <em>g</em> is

\{ x \ | \ x \ \in \ \mathbb{R} \}.

It is shown above that when the slope of f(x) and g(x) are compared, the following inequality describes the relationship.

                                         m_{f(x)} \ = \ -3 \ > \ m_{g(x)} \ = \ -4

whereas the comparison of the y-intercept, c, of both functions is explained by the inequality

                                          c_{f(x)} \ = \ 4 \ < \ c_{g(x)} \ = \ 7

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