Calculus question

Question

 Rewrite with absolute value notation: t = –7 or t = + 7

a. | t | = 7

b. | t | = -7

c. | t | ≤ 7

d. | t | ≥ 7

Answer 1

Absolute values are how far a number is away from zero, thus always reverts to a positive number, so you can throw out b. We also have an equals sign, so we can throw out c and d as they are inequalities. That leaves us with only one selection left: a.