Chapter 6 Rational Exponents and Radical Functions - 6.3 Perform Function Operations and Composition - 6.3 Exercises - Mixed Review - Page 434: 64

See the graph

We are given: $y=-2x^2+8x+1$ $y=-2(x^2-4x)+1$ $y=-2(x-2)^2+9$ Hence here, $a=-2,h=2,k=9$ The vertex is $(2,9)$ The axis of symmetry is: $x=2$ Make a list of values: $x=0 \rightarrow y=1$ $x=4 \rightarrow y=1$ $x=1 \rightarrow y=7$ $x=3 \rightarrow y=7$