Which statements describe one of the transformations performed on f(x) = x2 to create g(x) = 3(x+5)2 - 2? Choose all that apply.
O A. A vertical stretch with a scale factor of
1
3
1 1/2
B. A vertical stretch with a scale factor of 3
C. A translation of 2 units to the left
D. A translation of 5 units to the left

20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.