Derivatives
Exponential Growth
Decay
Related Rates
Linear Approximations
Surprise!
100

The derivative of ex sin(x)

What is ecos(x)?

100

Given a bacteria culture starts with 500 bacteria and after 3 hours there are 8000, number of bacteria after t hours.

What is 800=500e3k?

100

Given the area of a circle is increasing at a rate of 1.5 ft2/sec with current radius of length 10 feet,

What is 1.5/(20pi)?

100

The value of 4.51/2 determined using the linear approximation method

What is 17/8?

100

Function such that f(4)=f

What is sin(x)?

200

The derivative of (x3+4x)1/2

What is (3x+4)*(1/2(x3+4x))?

200

Given a population of bacteria that grows according to the function f(t)=200e0.02t (t in minutes), bacteria are present in the population after 5 hours/300 min

What is 80,686?

200

The rate of change of the area of the square when the side is increasing at a rate of 3.2 feet/minute and thecurrent length of each side is 5ft.

What is 32?

200

The linear approximation of sinθ at θ=0

What is θ?

200

This statement:

"Derivative of cos/(1+sinx) is -1/(1-sinx)"

What is false?

300

The derivative of (3r2+1)where r=r(t)

What is 24r(3r2+1)3 dr/dt?
300

If a quantity grows exponentially, the doubling time is the amount of time it takes the quantity to double given by

What is ln(2)/k?

300

The rate at which the distance between the top of the ladder and the ground changing when the following is given:

219 foot ladder is leaning against the wall of a very tall building.  The base of the ladder is pulled away from the wall at a rate of 4.5 feet/second. At the instant that the base of the ladder is 165 feet from the base of the wall.

What is -16.61 ft/sec?

300

The estimated value of e0.1 using linear approximation

What is 1.1?

300

This Statement is:

"d2171/dx2171 2sin(x)=-2sin(x)"

What is true?

400

dy/dx given y3-xy=x+y

what is (x+y)/(3y2-x-1)

400

Given there are 200 bacteria after 2 hours and 800 bacteria after 5hours, bacteria present at time 0

What is 200/(4^(1/3))?

400

The rate at which  the water level is falling given the following the scenario:

A large cone of given size is being drained of water at the constant rate of 15 cm3each second. The water’s surface level in the cone falls as a result.

What is -15/(16pi) cm/sec?

400

Estimated value of cos(18) using linear approximation

What cos(1)-sin(1)=−0.301169?

400

This statement:

"differentiability implies continuity"

What is false?