A scientist is studying a form of bacteria that doubles every hour. if the petri dish starts with 2 grams of bacteria

A - y=2x+2

B - y=2x^2

C - y=2x

D - y=2•2^x

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.