Am I a function?
What's my function?
Domain & Range
Operations
100
What is No, not a function? It does not pass the vertical line test.
100
f(-3) if f(x) = 2x +1
What it -5 ?
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
100
f(n)=2n+1
g(n)=3n
Find f(n)+g(n)
5n+1
200
What is Yes?
200
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
200
Find RANGE:
[-1, oo)
200
What is the RANGE of the situation?
{0,20,40,60,80,100,120}
300
The mapping diagram shows a function or not.
What is No, not a function?
300
Based on the graph of the function, what is f(4)?
f(4) = -2
300
Find RANGE:
[0, +oo)
300
f(x)=x^2+1
g(x)=2x-5
Find
f(x)-g(x)
x^2-2x+6
400
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
What is No, because the input (x) of 2 has two different outputs (y)?
400
Evaluate this function for P(x)=-998
F(x)=-1/2x^2+5x+2
P(50)=-998
400
Find the DOMAIN:
[-2,oo)
400
Anna drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds.
h(t) = -5t^2 + 45
Evaluate h(2). Enter your answer as a number.
25
500
Is this a function and why?
What is no, because x's repeat at 8?
500
Find f(4) =
0
500
Find the DOMAIN:
(-3, 1]
500
f(x) = 4x + 1 and g(x) = 4x - 3
Find
f(x) * g(x)
16x^2 - 8x - 3