if f(x) = -5x^2 sin(5x) and g(x) = x^2 -3x +9 are defined over the interval...

if f(x) = -5x^2 sin(5x) and g(x) = x^2 -3x +9 are defined over the interval (2,4)

write the full MATLAB commands to plot the two functions above two functions on the same set of axes

2 find the x and y coordinate of all points of intersections (x,y) that you can clearly see between the two graphs. Round up to 4 decimal

Solutions

Expert Solution

x = linspace(2,4,200);
f = -5*x.^2 .* sin(5*x);
g = x.^2 - 3*x + 9;
xlim = ([2 4]);
plot(x,f)
hold on
grid on
plot(x,g)

The intersection points from the given graph are:

2.4620

3.1795

3.7360

(Throw an upvote or comment if you have any doubts.)

venereology answered 7 months ago

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