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# I am having difficulty answering this question: Let x(t)=t+1 and y(t) =t^2. (a) Graph (x(t), y(t)) for 1 t 4.

I am having difficulty answering this question:

Let x(t)=t+1 and y(t) =t^2.

(a) Graph (x(t), y(t)) for −1 ≤ t ≤ 4.

(b) Find dx/dt , dy/dt , the tangent slope dy/dx , and speed when t = 1 and t = 4