I amusing Matlab and for some reason my function won't work. What is the problem? the original equation is on the png screen. eventually I want to take this function and integrated it.

Photos 40 degree.PNG LEE MATLAB litor. C\Users\adolf Desktop Comp App CEE MATLAB\data function ssigment6. m d ata_function. mx + function ) - data (x) y = -0.005**.*4 + 4.9**.^3 - 1800*x.^2 + 300000*X - 19000000; w See all photos + Add to File Edit View Insert Tools Desktop Window Help end DOBIE y=-0.006*** +4.9% -1.8 00*x3+05** - 19e07 mmand Window >> data (500) Undefined function or variable data'. 240 241 241.5 242 242 243 243.5 244 2445 2 Did you mean: >> date (500) Error using date Too many input arguments