Question: Consider the polynomials q(x) = 2x3 - x + 7 and r(x) = x2 + 3x. 1. To plot the function (x) over (10,20] we

Consider the polynomials q(x) = 2x3 - x + 7 and

Consider the polynomials q(x) = 2x3 - x + 7 and r(x) = x2 + 3x. 1. To plot the function (x) over (10,20] we use: a. q=sym(2*x^3-x+7') ezplot(9.[10 201 b. fplot(2*x^3-8+7',[10 20]) c. =[20-1 7]: x=10:0.1:20: y=polyval(p.x): plot(x,y) d. None of the above 2. To calculate r(2), we use: a. Finline('x^2+3x) r(2) b. r=[1 3 0); polyval(r.2) c. syms x; 1=X^2+3x subs(r.x.2) d. all the above a a b C d 1 2

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