I really don't understand i need help asap. They were asking to find f(-8)

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

What is the average rate of change for this function for the interval from x=2 to x=4 ?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)