Fundamental Theorem of Calculus: Accumulation Functions Practice Test

A car’s acceleration is $a(t)=\sqrt{t+4}$. If $V(x)=\int_{2}^{x} a(t),dt$, what is $V'(x)$?

A machine’s output rate is $q(t)=\ln(t+5)$. Let $O(x)=\int_{0}^{x} q(t),dt$. What is $O'(x)$?