New data collected on roller coasters, comparing height of the initial drop to
the speed of the coaster, found that the regression line equation is actually y = 0.502x +12.250.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.