Question

What is the range of the function f(x) = –2|x + 1|?

all real numbers
all real numbers less than or equal to 0
all real numbers less than or equal to 1
all real numbers greater than or equal to 1

Answer 1

Since the absolute value of any real number is a positive, the range is all the real numbers less than or equal to 0. We can see this by placing x = 1 and hence getting 0.Mar

Explanation: