For the three part question provide answers to Part A, B and C. Part A: Explain what the roots of a function are and how to find them.
Part B: Calculate the zeros of the function y = -x² - 4x + 21.
Part C: Describe the graph of the function from Part B, including key characteristics of the function.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice