A. Two times the slope of f(x) B. Three less than the slope of f(x)
C. One half the slope of f(x)
D. Three more than the slope of f(x)
Pls help I need it

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

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