Practice problem
Let f(x)=4x2+7x−10f(x)=4x^2+7x-10f(x)=4x2+7x−10. If c=2c=2c=2, what is f(cx)f(cx)f(cx) equal to?
4x2+7x−104x^2+7x-104x2+7x−10
16x2+14x−1016x^2+14x-1016x2+14x−10
8x2+14x−108x^2+14x-108x2+14x−10
6x2+2x−206x^2+2x-206x2+2x−20
Type a concept, like “slope” or “photosynthesis”.