I think the definition of your sequence is u(n) = 3n - 2 .
That little set of parentheses makes it SO much
easier to read and understand.
To find u(any number) just write the number in place of 'n' .
u(27) = 3(27) - 2
= 81 - 2
= 79 .
Step by ... 8*x^2+7*x-15-(-7)=0 ... 3.2<span>Solving 8x2</span>+7x<span>-8 = 0 by Completing The Square .</span>
Answer:
29 ft
Step-by-step explanation:
15-6 = 9
20+ 9 = 29
