Midterm 2 2012 answers
From UBCMATH WIKI
Short Answer Problems
- $\sin(\arctan(a)=\dfrac{a}{\sqrt{1+a^2}}$.
- (b)
- $x=3$ only. $x=-2$ does not solve the given equation.
- $y'=\frac{3}{2}$.
Long Answer Problems
-
- $T(t) = \dfrac{25^4}{16^3} \left(\dfrac{16}{25} \right)^\frac{t}{8}$
- $t=27$
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- $d=100 \sqrt{2}$ m
- $x(t)= 100-25 t$
- $\theta'=\dfrac{1}{4}$