Name that mathematical object
The limit does not exist! (maybe)
Derivatives for Days
Don't worry, all these questions are super easy
For the alge-braniacs
100

For a function f, this is the set of real numbers which may be "plugged in" to f and is usually written in interval notation.

What is the domain of f?

100

A function f(x) has this on its graph when

 limx->oo  f(x) = 5

What is a horizontal asymptote at y=5?

100

Known across the world for its ability to help you take the derivative of a fraction, this derivative rule has a nice little mnemonic device to help you remember it.

What is the Quotient Rule (bonus 50 pts, what is the mnemonic device!)

100

This famous equation would help us solve a related rates question in which a ladder is sliding down a wall.

What is the Pythagorean Theorem?

100

What are the two real roots of the quadratic polynomial x2-5x+6 ?

x=-2 and -3
200

This special type of function has a constant average rate of change on every choice of interval on its domain.

What is a linear function?

200

A function f(x) has this on its graph when 

limx->3 f(x) = -oo.

What is a vertical asymptote at x=3

200

This function is the derivative of

x2(3x-7x4)

What is 9x2-42x5?

200

This is true about a function f on an interval (a,b), if f' is negative on (a, b).

What is: f is decreasing on (a, b)?

200
Let f(x)=x-6 and g(x)=x1/2.  On what interval is the function h(x)=g(f(x)) continuous?

What is [6,inf]?

300

These x-values are important when doing curve sketching, and can be found by finding both roots of the derivative and places where the derivative does not exist.

What are Critical points/values?

300

A function f(x) has this on its graph if:

 f(-4) is undefined, but 

limx-> -4  f(x) = ½

What is a hole at (4,1/2)?

300

This function is the derivative of 

(6x+9)1/3

What is 6(6x+9)-2/3?
300

This seven word sentence sums up what we know about the continuity of algebraic functions.

What is:  Algebraic functions are continuous on their domain?

300

This is the piecewise function representation of the following function:  f(x)=|2x-3|

What is:

2x-3 for x>2/3, -2x+3 for x<=3/2

400

This quantity is used to help determine if a quadratic function has real roots.

What is the discriminant? 

or

What is b2-4ac?

400

These types of limit forms are not acceptable answers, but let you know that you must use algebra or another math tool to further investigate the limit.  eg:

0/0, inf/inf, inf-inf, 0(inf)

What are indeterminate limit forms?

400

This function is the derivative of 

(x1/3-1/x)-2

-2(x1/3-1/x)-3(1/3x-2/3-x-2)

400

This function is dy/dx for the following equation:

y2+x3-x2y2=7

what is dy/dx=(-3x2+2xy2)/(2y-2x2y)

400

What is the discriminant of the quadratic function

f(x)=6x2-12x+9?

D=144-4(6)(9)=144-216=-72

500

This particular type of line intersects a function at exactly one point (nearby), and has the same slope as the function at the point of intersection.

What is a tangent line?

500

A function f(x) has this on its graph if:

 f(3)=0,  

limx->3-  f(x) = 0, and 

limx->3+  f(x) = 3.


What is a jump discontinuity at x=3? (left continuous)

500

This function is the derivative of 

[x2+x-1+7]/[(x+1)1/2]

What is [(2x-x-2)(x+1)1/2-1/2(x2+x-1+7)]/[x+1]

500

This quantity tells us whether a function will increase or decrease faster or slower. 

What is the second derivative?

500

This power function is the most simplified version of

f(x)= [(2x)3+8x17/5]/[x2/5+1]?

What is 8x3

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