Practice problem
If f(x)=−9x2+8x+6f(x)= -9x^2+8x+6f(x)=−9x2+8x+6, what is f(−1)f(-1)f(−1) for the function reflected over the xxx-axis?
555
−11-11−11
232323
111111
Type a concept, like “slope” or “photosynthesis”.