The instantaneous rate of change of the vector-valued function f(t) is given by r(t) = (e√ᵗ, 10 cos(t + √t)).
if f(2) = (2e, – 7), what is the value of f(6) ?
A. (11.582, -5.609)
B. (12.906, 0.163)
C. (30.170, 9.141)
D. (35.606, 5.283)