1. Which relation is not a function? Explain. 1) {(1,5),(2,6),(3,6),(4,7)} 2) {(4.7).(2,1),(-3,6),(3,4)}
3) ((-1,6),(1,3),(2,5),(1,7)} 4){(-1,2),(0,5),(5,0),(2,-1)}
7 Which function is not one-to-one? Fynlain

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?