Camila makes and sells jewelry she has 8160 silver beads and 2880 black beads to make necklaces each necklace will contain 85 silver beads and 30 black beads how many necklaces can she make

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)

When y’all answer can y’all explain too !

Which is f(5) for the function –2x2 + 2x - 3?