An object is thrown upward from a height of 6 feet at a velocity of 63 feet per second. t1 = 0, t2 = 3 (a) Use the position equation s = −16t2 + v0t + s0 to write a function that represents the situation. s = (c) Find the average rate of change of the function from t1 to t2.

(d) Describe the slope of the secant line through t1 and t2.
The slope of the secant line is positive.
The slope of the secant line is negative.

(e) Find the equation of the secant line through t1 and t2.
s =

(f) Graph the secant line in the same viewing window as your position function.

someone please help me i cant figure this out and its due soon