What is the isogonal trajectories cutting at angle of 0= arctan 4 to the family of curves whose equation is y = Inx+a? y = 4x + 12 ln(x-4) + C y = 4x - 15 ln(x-4) + C B y = 4x + ln(x-4) + C y = 4x + 17ln(x-4) + C

Suppose the cost incurred in operating a cruise ship per hour is a+bv^33 dollars, where aand b are positive constants and v is the ship’s speed in miles per hour. At what speedshould the ship be operated between two ports (located d miles apart) to minimize thecost?

Which is the quadratic parent function?    A y=xy=xy=x    B y=x2y=x^{2}y=x2    C y=xy=\sqrt{x}y=x​    D y=∣x∣y=\left| x\right|y=∣x∣

Consider y = x2+3 /3e4x^2. Find the value of x at which this curve has a stationary point