Functions · SEC2_BM
Polynomial functions
Question 1/8+12 XP
For f(x)=2x2−5: calculate f(−2).
Quadratic functionf(x) = 2x² − 5
graph of fvertexaxis of symmetry
The vertex sits at (0, −5); the parabola opens upward and mirrors across the line x = 0. At x = 0 the value is −5.