Which is a quadratic function?

f (x) = 2x + x + 3

f (x) = 0x2 - 4x + 7

f (x) = 5x2 - 4x + 5

A rectangular box has a length of 12 inches and a width of 4 inches. The length of the three-dimensional diagonal of the box is 14 inches. What is the height of the box? Show all of your work.

How many square inches does an 11" x 13" area encompass?

What is the solution for 3x-4=-1/2x+3

Last night, the two dinner specials at Henry's favorite restaurant were salmon filet and steak. The restaurant served 55 specials in all, 11 of which were the salmon filet.

If x^ (3/5) = 1.84, then x^2 = ? Show Work. A.) 7.63 B.) 10.40 C.) 21.15

Based on the formula that you developed in question 3, what is the area of the circle? How do you know your answer is correct? Explain.

Josh has $252 in his bank account this is $12 more than six times the amount of money that Sally has her bank account what equation can be used to represent the relationship between the amount of money josh and Sally have in their bank accountsJosh

On your birthday, you deposited $540.00 in an account that pays 6% simple interest. How much is in the account 3 years later?

the cost of 3 pencils is $2.50. The cost of 4 books is $22.50. What is the cost of 2 books and a pencil?

If a diver is 100 feet below the surface, what is the pressure of the water on the diver?