You used 15.6 kWh to recharge an EV at a cost of 11.6 cents per kWh. How much did you spend to recharge the car?
$180.96
$18.00
$1.36
$1.81

Idon't see any graph, however the graph of the function : f(x) = x²-2x+3 is a parabola: 1) open upward (since a> 0)2) it intersects y-axis in 3 (y=3)3) its axis of symmetry is x = +1 ( -b/2a)4) it's minimum is y = -2, so its vertex is (1,-2)5) it doesn't intersect the x-axis since discriminant < 0