Question

Are these a function or not? Then state the domain and range.

Answer 1

These are functions because there is rotation and enlargement in the graph
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Answer 2

B. Not a function; does not pass the vertical line test
C. Is a function; does pass vertical line test

Domain of B: -3 to 1
Range of B: -1 to 4.5

Domain of C: -3 to 6
Range of C: -4 to 2

Explanation:

What is vertical line test?
Vertical line test is when you draw vertical lines (up and down) on the line. If two points are on one line, that means it is not a function. B has a lot of lines that have the same X so that is why it is not a function.

What is domain and range? Domain is the x values and Range is the Y values. So you will want to put the numbers between where the y starts and stop.