Functions and function notation

Front

Is the relation a function? {(4,5), (4,-7), (4,2), (4,0), (4,9)}

Back

No

Front

Is this mapping a function or not a function?

Back

Function

Front

Is this table a function or not a function? Options: Function, Not a Function

Back

Not a Function

Front

Is this a function? Explain.

Back

Yes; it passes the vertical line test.

Front

Is the relation a function?

Back

No, because the x-value 11 has two y-values pair with it.

Front

f(x) = -3x + 3; find f(0)

Back

3

Front

Evaluate f(-2) if f(x) = x²+ 3.

Back

7

Front

Solve for f(5):
f(5) = -x + 4

Back

-1

Front

Solve for x: f(x) = 75 and f(x) = 25x

Back

x = 3

Front

f(4) = 3x - 1

Back

4