Function or NOT a Function
{(3,7), (5,4)}
What is yes.
What is it is a function.
Evaluate: f(x) = x + 2; x = 10
What is 12.
What are the inputs?
What is domain.
Write a function rule for the following:
You add 4 to x each time.
What is f(x)=x+4
What is y=x+4
Is this an arithmetic sequence?
8, 10, 12, 14, ...
What is YES
Every input has only one output.
What is yes.
What is it is a function.
Evaluate: f(x) = 6x-10; x = -3
What is -28.
What are the outputs?
What is range.
Write a function rule for the following:
You multiply x by 3 and then subtract 10.
What is f(x)=3x-10
What is y=3x-10
What is f(x)=-10+3x
The common difference in the following arithmetic sequence:
16, 23, 30, 37, ...
What is +7
What is add 7
{(9, 14), (8, 14), (2, 14), (3, 14)}
What is it is a function.
Evaluate f(x) = x2+9; x = -4
What is 25.
{(6, 7), (4, 6), (-10, 4), (7, 5)}
What is {-10, 4, 6, 7}.
Write a function rule for the following:
x: 1 4 7 10
f(x): 9 12 15 18
What is f(x) = x+8
What are the next two numbers in the following arithmetic sequence:
49, 38, 27, ...
What is 16 and 5.
{(1, 4) , (7, -1), (2, 4), (1, 6)}
What is not a function.
Evaluate: g(x) = -x-22; x = -10
What is -12.
What is the range of the following function? Put in correct notation.
{(6, 7), (4, 6), (-10, 4), (7, 5)}
What is {4, 5, 6, 7}.
Write a function rule for the following:
x: 4 5 6 7
f(x): 22 27 32 37
What is f(x) = 5x+2
Write an equation for the following arithmetic sequence:
30, 22, 14, 6, ...
What is A(n) = 30 + (n-1) x -8
What is A(n) = -8n +38
y = x2+4
Hint: Graph on calculator to see if it passes the vertical line test.
What is yes.
What is it is a function.
Evaluate: h(x) = -3(x-9)+12; x = 5
What is 24.
What is the domain and range of the following function? Put in the correct notation.
{(-1, 0), (5, 11), (-8, -6), (10, 12)}
What is..
Domain: {-8, -1, 5, 10}
Range: {-6, 0, 11, 12,}
Write a function rule for the following:
x: 0 1 3 5
f(x): -13 -12 -4 12
What is f(x) = x2-13.
Find the 62nd term in the following arithmetic sequence:
6, 9, 12, 15, ...
What is 189.