35. What is true about this quadratic function? f(x)= x2 +
a) Its graph is a positive parabola; a parabola that opens upwards.
Ob) Its vertex is the minimum of the range of the function.
c) It has no real root solutions.
d) all of the above
WILL MARK BRAINLIEST

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years