A particle moves along the x-axis. The following function v(t) gives the particle's velocity at any time t≥0.
v(t)= t3-3t2-8t+3.
What is the particles velocity at t=4.
-13
Find the derivative of y = 3x2 (7x+2)
y'=3x2(7)+(7x+2)(6x)
Find the derivative of y = ex.
y' = ex
A plane takes off from an airport at sea level and its altitude (in feet) at time t (in minutes) is given by
h = 2000 ln (t + 1). Find the rate of climb at time t = 3 min
500 ft/min
Find the derivative of f(x) = (4x4+5x)9
A computer is programmed to inscribe a series of rectangles in the first quadrant under the curve of y= e-x. If area of the rectangle at any point x is given by A=xe-x, what is the area of the largest rectangle that can be inscribed? (Hint: max or min occurs when derivative equals 0).
0.3679 units2
A weight that is attached to the end of a spring is pulled and then released. The function H gives its height, in centimeters, after t seconds. What is the best interpretation for the following statement?
H'(0)= 3
When the weight is released, its height is increasing at a rate of 3 centimeters per second.
f(x) = -2(6x2+3x)3. Find f'(x)
-6(6x2+3x)2(12x+3)
f(x) = ln(4x4-9x)
f'(x) =[ 1/(4x4-9x)]*(16x3-9)
y=3x+1
The derivative of 3x(5x3-2x)
What is 3x(15x2-2)+(5x3-2x)(3)
The derivative of y=6(9x2+4)7
y'=42(9x2+4)6(18x)
y = ln(8x2+3x-5)
y'=(16x+3)/(8x2+3x-5)