Work out the value of 2g + 3h

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Which of the following is true for the relation f(x)=2x^2+1

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?