Question

. Let f and ???? be the functions given by f(x) = x2 and ????(x) = x|x|.

a. Find f(1 / 3), ????(4), and ????(−√3).

Answer 1

a. 1/9, 16, -3

Explanation:

Fill in the numbers and do the arithmetic.

f(1/3) = (1/3)² = 1/9

????(4) = 4|4| = 16

????(-√3) = (-√3)|-√3| = (-√3)(√3) = -3