Which equation represents a parabola with a vertex at (-2, 5) and passes through the point (-4, 7)?
F y=(x + 2)2 + 5
G y = (x + 2)2 +5
H y = -(x - 2)2 + 5
3 y=} (x - 2)2 +5

Which expression is equivalent to 2x^2+7x+4?

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

Find the zeros of each function. f(x) = 6x^2 - 7x - 20