6. Match the situation descriptions with the corre- sponding time-velocity graphs shown below. (a) A car quickly leaving from a stop sign. (b) A car sedately leaving from a stop sign. (c) A student bouncing on a trampoline. (d) A ball thrown straight up. (e) A student confidently striding across campus to take a calculus test. (f) An unprepared student walking across cam- pus to take a calculus test. (a) (b) (c) AAA (d) (9) (D)In pi find the slope msec of the se- cant line through the two given points and then calculate mean = lim msec. h-+0 5. f(x) = 7x -x2 (a) (1,6), (1 + h,7(1 +h) - (1+h)