Which of these graphs represents a function?

What is compensation

Because of its conversation and easy access to ATMs ___ is the most common form of payment today.

The cost function for a certain company is C = 20x + 700 and the revenue is given by R = 100x - 0.5x2. Recall that profit is revenue minus cost.

Graph the line whose x-intercept is - 1 and whose y-intercept is 4. x 5 ?

What sub category best fits the following words from list 2

What is the opposite of the number - 2.5? How does the position of - 2.5 compare to its opposite on the number line?

3x 2 + 2x - 5 and - 4 + 7x 2 -x2 + 9x - 9 21x2 + 2x + 20 10x2 - 5x - 1 10x2 + 2x - 9

Create an equation to show Nancy's age, x, in terms of Jen's age, y.

On call 3.5 hour $10 talk time 1/2 hour $1.25 what is the unit rate in dollar per hour for each company

The Empire State Building is 1250 feet tall. At 3:00 pm, Pablo stands next to the building and has an 8-foot shadow. If he is 6 feet tall, how long is the Empire State Building's shadow at 3:00 pm? 1666.67 feet 1.67 feet 166.67 feet 16.67 feet