(a) compute the rank and nullity of the following matrices: 3 17 2 1) a = 0 3 -1 | 1-3 4 -2 (1 -1 b= 2 -2 4 10 0 c 3 1 1) = 6 2 2 19 3 3 ) -8 feel free to use the rank-nullity theorem. (b) determine which of the above matrices is invertible and compute their inverse clearly showing your calculations. (c) suppose that a is an m xn matrix and b is an p x m matrix satisfying rank(b) = p and null(b) = rank(a). show that null(a) = n - m + p. hint. use the rank-nullity theorem.

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The bake stars picked 907 apples last weekend at a local orchard they made caramel apples and sold them in the bakery in trays of 6

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.