MATHEMATICS · Multi-part · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions
Problem
Consider the quadratic function f(x)=kx2−5x+1, where k is a real constant.
(a) If f(2)=7, determine the value of k.
(b) Using the value of k obtained in part (i), calculate f(0) and f(−3).
(c) Evaluate f(f(1)) with the same value of k. Show each step of your working.