Let f(x) = 9x-3. (a) Find the average rate from 7 to 8. (b) Find an equation of the secant line containing (7, f(7)) and (8, f(8)).
(a) The average rate of change of change from 7 to 8 is.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "