1. Given the image function f(x) = 2x2 + 1. Pre-image function:
Transformation:

2. Given the pre-image f(x) = x. Translate the function 2 units up and reflect over the y-axis.
Image function:
Transformation:

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8