Which is the graph of x ≤ 2? graph of a dashed vertical line 2 units to the right of the origin with everything shaded to the right. graph of a solid vertical line 2 units to the right of the origin with everything shaded to the right. graph of a dashed vertical line 2 units to the right of the origin with everything shaded to the left. graph of a solid vertical line 2 units to the right of the origin with everything shaded to the left.

What is the equation of the linear function represented by the table?

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

Which of the following parabolas opens up?