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Christmas Movie Trivia
100

Find the limit of f(x) as x approaches 1

f(x)=(x-1)/(x^2-1)

1/2

100

Find 

dy/dx

y=x^2/(4-x^2)

(8x)/(4-x^2)^2

100

Find 

dy/dx

2y-xy-9=4x

(4+y)/(2-x)

100

The velocity of a particle is represented by the graph above.  Determine whether the speed of the particle is increasing, decreasing, or neither at time, t = 3.

increasing

100

In the 1983 movie, A Christmas Story, which Christmas gift does Ralphie want so badly?

A Daisy Red Ryder BB gun

200

Find the limit of f(x) as x approaches 0 

f(x)=sinx/x

1

200

Find the derivative of 

f(x)=(2-7x)^5

-35(2-7x)^4

200

If (4,5) is a point on the graph of g, find the equation of the tangent line to g at x = 4.

 y - 5 = -2(x - 4) or y = -2x + 13


200

Use the table to find h'(1) if h(x)=f(g(x)).

30

200

In the 1989 comedy National Lampoon's Christmas Vacation, what had Clark Griswold been planning to buy with the Christmas bonus he expected from work?

a pool

300

Evaluate the limit as h approaches 0.

(cos^2(x+h)-cos^2x)/h

-2cosxsinx

300

Find the equation of the tangent line at 

x=(3pi)/4

g(x)=sinx

y-sqrt2/2=-sqrt2/2(x-(3pi)/4)

300

An observer stands 1,200 ft away from a launch pad to observe a rocket launch.The rocket blasts off and maintains a velocity of 900 ft/sec. How fast is the distance between the rocket and the observer changing when the rocket is 2400 ft from the ground?

804.984 ft/sec

300

Use the table to estimate f'(2.5)

9.5

300

The Charles Dickens' classic, A Christmas Carol, recounts the story of an elderly miser named . . .  

Ebenezer Scrooge

400

Find the limit as x approaches -4 

(sin(pix))/(x^2-16)

-pi/8

400

Differentiate. 

sinxcosx

cos^2x-sin^2x

400

During the time interval 

0<=t<=12

the amount of heating oil in a tank is given by the following function.  To the nearest whole number, what is the least amount of heating oil in the tank?

H(t)=1/6t^3-11/3t^2+20t+125


123 gallons

400

Use the velocity graph to find the acceleration at time t = 7.5

-0.1

400

In the 2004 movie, The Polar Express, how did the hero boy lose the bell?

fell through a hole in his pocket

500

Find the limit of f(x) when x approaches -1 

f(x)=(x+1)/(sqrt(x+5)-2)

4

500

If

f(x)=sec^2(sqrtx)

, then find 

f'(x)

(sec^2(sqrtx)tan(sqrtx))/sqrtx

500

Train A and B leave the same station but on different tracks. Train A heads north at 60 mi/hr while Train B heads east at 80 mi/hr. After 1.75 hours, how fast is the distance between the trains increasing?

100 mi/hr

500

The position of an object attached to a spring is given by the function below, where t is time in seconds.  In the first 4 seconds how many times is the velocity of the object equal to 0?

y(t)=1/6cos(5t)-1/4sin(5t)


6

500

The actor who plays Elf in the 2003 movie

Will Farrell