Answer:
1
Step-by-step explanation:
the first one is no it's nonproportional
and the second one it yes its proportional
Answer: 59.5
U(t) = 5.1t^2 − 1.7t
U'(t)=2*5.1t-1.7
U'(t)=10.2t-1.7
U'(6)=10.2(6)-1.7
U'(6)=61.2-1.7
U'(6)=59.5
Exact Form: −2/7
Decimal Form: -0. 285714
