Question

Does anyone know w(t) = 3t - 1, w(-4.2) ?

Answer 1

w(-4.2) = 3(-4.2) -1 = -12.6 - 1 = -13.6

Explanation:

The w(-4.2) is your t so you substitute it in your expression which means you get 3(-4.2) -1 and that gives you -13.6.