Find the average rate of change of the function between the given values of x. y = 9+ 5x + 0.5x2 between x = 2 and x = 4.

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2