Which of the following are operations in the algebra of sets? multiplication union division intersection subtraction

Just by looking at y = - x 2 + 1, how do you know that it does not represent a line?

What is the range for the function? { (1, 3), (5, 7), (9, 11) }

What are the horizontal and vertical asymptotes of r (x) = (6x+1) / (16x^2) + 1?

What is b-r-3, when b=9 and r=2

Tracy had a bag of candies, and none of the candies could be broken into pieces. She ate $/frac{1}{3}$ of them and then gave $/frac{1}{4}$ of what remained to her friend Rachel. Tracy and her mom then each ate 15 candies from what Tracy had left.

The sum of x and 9 is divided by 2. That quantity is equal to 3x

Joe has a spinner with labeled 1, 1, 2, 2, 4. If he spins 20 times, how many will be 2?

How do i find the zero of (x-10) (4x-3) = 0

A rectangle has a height of 5x and a width of x + 2, express the area of the rectangle.

Richard buys, fixes, resells small devices, like the Mir487, which consistently needs a transistor replaced. He can buy the transistor for $8.10 and a broken Mir487 for $51.90. Once fixed, he resells the new Mir487 for $224.96.