Question

please help me :/

Answer 1

What does the dot mean?

Answer 2

it means times

Answer 3

Put in some values of x. When x=1, y = -10. When x=2, y = -50. When x=3 y = -250. When x = -1, y = -2/5. When x=-2, y = -0.08.

Answer 4

This is an exponential so never touches the x axis but bends toward it.