Riddle me this
Function or No
In and Out
R and D
Up and Down
World Piece
Face the Strange
100
This has a heart that doesn't beat.
What is an artichoke?
100
At a coffee shop, a menu shows a list of items and their prices. Are items a function of price?
What is NO? (Each price could have more than one item that costs that much.)
100
f(x) = 2x +1. This is f(-3)
What is -5 ?
100
The domain of this graph:
What is all real numbers?
100
When the average rate of change on an interval is positive, f(x) is ________________ on that interval.
What is increasing?
100
Evaluate f(3)
What is -4?
100
What is the average rate of change of f(x)=-2x+7 on the interval [2,5]
What is -2?
200
This is cut on a table, but is never eaten.
What is a deck of cards?
200
Does this graph represent a y as a function of x?
What is Yes?
200
G(x)= x2 + x + 1. The is G(-5)
What is 21?
200
The range of this function:
What is [-3, 5]?
200
The interval on which f(x) is increasing
What is -9<x<7?
200
Solve f(x)=-3
What is x=-9?
200
For what values of x is the average rate of change of f(x)=x2 positive?
What is x>0? (That's where f(x) is increasing.)
300
This has a head and a tail but no body.
What is a coin?
300
Does this graph represent y as a function of x?
What is No?
300
f(x) = x2 - 2. Solve f(x)=7
What is 3 and -3?
300
The domain of the exponential function
y=e^x
What is all real numbers?
300
If a function is concave down on an interval, this must be true about the average rates of change on that same interval.
What is "they are decreasing"?
300
On what domain is f(x)=-x+1
What is x>-1?
300
For what values of x is the instantaneous rate of change of f(x) equal to zero?
What are -1 and 1?
400
If there are three apples and you take away two, this is how many apples you have.
What is two apples?
400
Does the following table represent y as a function of x?
x y
1 2
2 5
6 5
4 9
5 1
What is YES?
400
f(x)=(3x-4)/(2x-5)
This is f(2.5)
What is undefined?
400
The range of
y=-sqrt(x)
What is
y<=0
400
F(x) is concave up on this interval.
What is (-3, 3)?
400
What rule describes f(x) from -6<x<=0 ?
What is
f(x)=-5/2x-4?
400
Find the average rate of change of f(x)=3/(x-2)^2 on the interval [3,5].
What is
-8/3?
500
There are two in a corner, one in a room, zero in a house, but one in a shelter.
What is the letter r?
500
Is this function 1-1?
What is YES? (This is the cube root function shifted to the right and up.)
500
f(x)=(3x-3)/(6-x)
Solve f(x) = 12
What is 5?
500
The range of the function
What is (-4,5]?
500
Estimate the coordinate of the inflection point in this graph.
What is (1, 4.5)?
500
Write a piecewise equation for the following function, f(x).
f(x) = -x+2 for x<3
f(x) = 3 for x=3
f(x) = -x+2 for x>3
500
On what interval are rates of change of f(x) decreasing?
What is x<0? (The is where the graph of f(x) is concave down.)