4. A particle moves along the x-axis so that its position at any time is given by x(t) = 3t2 – 20t for t > 0. For which of the following values of t is the speed the greatest?
(A) t = 1
(B) t = 2
(C) t = 3
(D) t = 4

c

Broken dreams and cigarettes again and again

Reelin' in my inner thoughts again and again

I just need a head rush again and again

I just need something that's not the same old thing

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)