Question

Let X = {x | x is a whole number less than 15}, Y = { x | x is a multiple of 3}, Z = {x | x is a real number greater than or equal to 5.5}.

3. What is X∩Y? (1 point)
{0, 3, 6, 9, 12}
{3, 6, 9, 12, 15}
{...,–6, –3, 0, 3, 6, 9,...}
{..., –6, –3, 0, 3, 6, 9, 12}

4. A doctor is examining three patients. Which symptoms do all three patients have in common?(1 point)
{headaches, hair loss, congestion}
{cold sweats, congestion, memory loss}
{spasms, memory loss, appetite loss}
{fever, joint pain, tiredness}

5.Bob is comparing the ingredients for three different muffin recipes. Which ingredients do all three recipes have in common? (1 point)
{honey, salt, wheat}
{bran, water}
{wheat, baking soda, salt}
{milk, sugar, raisins}

Answer 1

.-. Um... I..ahm.. Is there a story or something that you use to answer these questions?

Answer 2

3.{ 0,3,6,9,12}

Answer 3

4.{ fever,jointpain,tiredness}

Answer 4

5.{ wheat,bs,salt}