Question 1
For real \(x\), let \(f(x)=2x^2-10x+17\).
Find its least value and state where it occurs.
[3]Solve \(f(x)=9\).
[2]Complete-answer checking, worked solutions and written marking guidance.
Open the complete answer formFor real \(x\), let \(f(x)=2x^2-10x+17\).
Complete-answer checking, worked solutions and written marking guidance.
Open the complete answer form