Which of the following are characteristics of the graph of the absolute value parent function?

check all that apply.

a. the left half has a slope of −1.
b. the right half has a slope of 1.
c. it is in quadrants ii and iv.
d. it goes through the origin.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

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

Could someone with number 1 and 2