Triangle DJM has vertices D(-1, 2), J(-3, 4), and M(1, 4). What are the coordinates of the image of triangle DJM after a dilation by a scale factor of 2 and then a rotation 90° counterclockwise??

The cost c, in dollars, for bananas depends on the weight w,in pounds, of the bananas. this situation is represented by the function rule c=0.5w (graph each function rule.tell whether the graph is continuous or discrete)

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7