Desmos Graphing Calculator
Math·Advanced Math·Nonlinear functions
hardThe function f is a quadratic function. In the xy-plane, the graph of y=f(x) has a vertex at (1,6) and passes through the points (2,40) and (−1,142). What is the value of f(−2)−f(0)?
A
108
B
176
C
272
D
312