need help with basic speed time graph plot

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need to make a subplot for this speed equation over 0 to 8 seconds, but all i get is a blank graph. i think its because the graph is zoomed in on a specific area, any idea how to plot one that can be seen??

t = 0:0.05:8;

s = @(t)((0.0041*t^6) - (0.1383*t^5) + (1.6963*t^4) - (8.915*t^3) + (13.961*t^2) + (40.96*t))/2.237;

subplot(1,2,1)

plot(t,s(t))

title('speed vs time')

xlabel('time (Seconds)')

ylabel('speed (m/s)')

grid on;

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Stephen23 2019-11-8

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Original question:

need to make a subplot for this speed equation over 0 to 8 seconds, but all i get is a blank graph. i think its because the graph is zoomed in on a specific area, any idea how to plot one that can be seen??

t = 0:0.05:8;
  s = @(t)((0.0041*t^6) - (0.1383*t^5) + (1.6963*t^4) - (8.915*t^3) + (13.961*t^2) + (40.96*t))/2.237; 
  
subplot(1,2,1)
plot(t,s(t))
title('speed vs time')
xlabel('time (Seconds)')
ylabel('speed (m/s)')
grid on;