Find the domain and range of the following functions:
a. f: ℝ → ℝ by f(x) = −x2 + 2
b. f: ℝ → ℝ by f(x) = 1 / x + 1
c. f: ℝ → ℝ by f(x) = √4 − x
d. f: ℝ → ℝ by f(x) = |x|
e. f: ℝ → ℝ by f(x) = 2x+2

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120