Answer:
it's b 59° because it's at the side
I think d but i might be wrong :( sorry
I am pretty sure its false. I think this becuase 1/2 goes into 3, 6 times, not 1 time. Hope that helps
Answer:
Step-by-step explanation:
d(t)=-2t^2+9t+18
calculate the derivate : f'(t) = - 4t+9
f'(t) = 0 : - 4t+9= 0 so t = 9/4
the maximum value is f(9/4) = ....... continue