Which of the following expressions represents a function?

x² + y² = 9

{ (4,2), (4, - 2), (9,3), (9, - 3) }

x=4

2x + y = 5

Factor 3/4 out of 3/4z + 6

Which of the following equations is the inverse of the function f (x) = 4x-7/9

real estate math Speculator paid $25,000 net each for two 150 front-foot lots. Speculator split them into 3 lots with equal front footage. Speculator sold the 3 lots for $300 per front foot. What was Speculator percentage of profit?

Does anyone know how to do algebra 1 and 2 on platoweb edmentum im struggling

Which of the following expressions is in its simplest form? 8m + 4n - 5mn + 7 15bd + 5 - 2b + 3d + 23 xy + 6xy2 - 7 + 12xy 35 - a2 - ab2 + ab - 2ab2

A box is 20 cm long. Which of these is closest to the length of this box in feet? (1 inch = 2.54 cm)

While shopping, you see a jacket marked down 20%. If the original price of the jacket is $175, what is the sale price of the jacket

Subtract the sum of - 11ab and - 23ab from the sum of - 19ab and 7ab

Which expression is equivalent to the given expression? 3 (2a + 5) ?

Suppose Eva has 12 3/4 pounds of flour. The day's baking will require that amount. How much flour will Eva need?