Business Calculus
A car travels at a constant velocity of 12 m/s12~\(\text{m/s}\) for 0≤t<3 0 \(\leq\) t < 3 seconds, and then at 20 m/s20~\(\text{m/s}\) for 3≤t≤7 3 \(\leq\) t \(\leq\) 7 seconds. Graph the velocity function and determine the total displacement of the car from t=0 t = 0 to t=7 t = 7 seconds.
Suppose that for real numbers p1p_{1}, p2p_{2}, ..., p15p_{15} we have ∑k=115pk=30\(\displaystyle\]\sum\)_{k=1}^{15} p_{k} = 30. What is the value of ∑k=115pk6\(\displaystyle\]\sum\)_{k=1}^{15} \(\frac{p_{k}\)}{6}\;?
The graph of h(x)h(x) is given below. Compute ∫03h(x)dx\(\int\)_0^3h(x)\,dx using geometry.
Evaluate ∫04(3x+2)dx \(\int\)_0^4 (3x + 2) \, dx using right Riemann sums and the definition of the definite integral.
Write the left and right Riemann sums in sigma notation for an arbitrary value of nn to approximate the definite integral ∫241+x2dx\(\int\)_2^4\(\sqrt{1 + x^2}\)\,dx.
Apply Simpson’s Rule to approximate ∫0π2e−2xcosxdx \(\int\)_0^{\(\frac{\pi}{2}\)} e^{-2x} \(\cos{x}\) \,dx with n=8n= 8 subintervals.
Evaluate ∫134x2dx \(\int\)_{1}^{3} 4x^2 \, dx and ∫−334x2dx \(\int\)_{-3}^{3} 4x^2 \, dx .
Let B(x)=∫bxf(t)dtB(x)=\(\int\)_{b}^{x}f\(\left\)(t\(\right\))\,dt, and f(t)=4t+1f\(\left\)(t\(\right\))=4t+1. Assuming that ff and f′f^{\(\prime\)} are continuous functions for all real numbers, is B(x)B(x) a quadratic function?
Determine the arc length of the curve y=ln(cosx)y=\(\ln\]\left\)(\(\cos\) x\(\right\)) from x=0x=0 to x=π4x=\(\frac{\pi}{4}\).
Compute ∫1e7ydy \(\int\)_{1}^{e} \(\frac{7}{y}\) \, dy using the Fundamental Theorem of Calculus, Part 2.
Find ddx∫−1x(3t2−2t)dt \(\frac{d}{dx}\) \(\int\)_{-1}^{x} (3t^2 - 2t) \, dt .
Find dds∫s45u3+4du \(\frac{d}{ds}\) \(\int\)_{s^4}^{5} \(\sqrt{u^3 + 4}\) \, du .