Choose the correct answer from those givens: (1) If \( \operatorname{Lim}_{x \rightarrow 0} \frac{\cos x-\cos ^{a} x}{x^{2}}=1 \), then \( a=\ldots \ldots \ldots \ldots \ldots \) \( \begin{array}{llll}\text { (a) } 1 & \text { (b) zero } & \text { (c) } 2 & \text { (d) } 3\end{array} \)

A car's velocity is given by the function \( v(t) = 5t^2 + 3 \). Calculate the distance traveled by the car from time \( t = 0 \) to \( t = 4 \).

A car's velocity is given by the function \( v(t) = 5t^2 + 3 \). Calculate the distance traveled by the car from time \( t = 0 \) to \( t = 4 \).

\( L ^ { - 1 } ( \operatorname { Ln } ( \frac { s ^ { 2 } + 2 s + 3 } { s ^ { 2 } + 4 } ) ) \)

\( \lim ( 2 + \frac { 2 } { n } ) ^ { m } \)

\[ f(x)=\frac{x^{2}+3 x+2}{x^{2}-2 x-3} \] a) Find the domain of \( f \) and deduce the vertical asymptote. b) Find \( x \)-axis intercepts, the \( y \)-axis intercepts and the horizontal asymptote ( check the intersection with the horizontal asymptote). c) Compute the derivative \( f^{\prime} \) of \( f \) and analyze it d) Compute the second derivative \( f^{\prime \prime} \) of \( f \) and analyze it. e) sketch the graph of \( f \)