CS代考计算机代写 $$
$$
f_ extit{quadratic}(t) =
egin{cases}
1-3t^2 & ext{if } t < frac{1}{3} \
1.5t^2 - 3t + 1.5 & ext{if } frac{1}{3} leq t < 1 \
0 & ext{otherwise}
end{cases}
$$
falloff_quadratic(t) =
{ 1-3t^2 if t < 1/3
{ 1.5t^2 - 3t + 1.5 if 1/3 <= t < 1
{ 0 otherwise
