Functions Interpreting

List the types of intervals that the graph demonstrates in order.

• decreasing, constant, increasing, constant

• increasing, decreasing, constant

• increasing, constant, increasing, constant

• increasing, constant, decreasing, constant

Which statement is true about this function?

• The function is never constant

• The function is always increasing

• The function is never decreasing

• The function increases at the same rate between the interval x=11:00 and x=13:00

What does the point (2, 4) represent?

• On day 2, you got 4 facts correct.

• You got 2 facts correct on day 4.

• You got a total of 6 facts correct.

• On day 3, you got 12 facts correct.

What is the meaning of the y-intercept?

• The weight in the bucket increases by 1 pound per pound of sand.

• Before sand is put in the bucket, it weighs 1 pound.

• The starting weight of the sand is 1 pound.

• The weight in the bucket decreases by 1 pound per pound of sand.

• A.
• B.
• C.
• D.

What type of association does this graph have?

• positive

• negative

• none

• all of the above

The graph shows the height (cm) of a candle as it burns, what does the y-intercept mean?

• Candle starts at 9 cm.

• Candle start at 4.5 cm

• Candle starts at 0 cm.

• The candle ends at 5 cm

Is this table a function?  Why?

• Yes, because none of the inputs repeat.

• Yes, because the inputs repeat but have the same output.

• No, because the inputs repeat and have different outputs.

Is the graph a function?  Why?

• Yes, it's a perfect circle.

• No, if I draw a vertical line, it crosses twice.

• Yes - if I draw a vertical line, it crosses only once.

• No - it's a perfect circle.

Which of the two linear functions above has the higher rate of change?  Explain.

• The blue one because it is the most steep.

• The blue one because it is the least steep.

• The green one because it is the most steep.

• The blue one because it is the least steep.