4. Using the functions described in Table 6-1, writ C++ expression. (The expression in (e) denotes the absolute value of x + 2.5.) a. 2.05.2 b. fixffiffiffipfiffiffffyfififfi e each of the following as a c. uv-3 b b ffibffiffi2fffiffi fffifffi4ffiffiaffifficffiffi 2a 4. Using the functions described in Table 6-1, writ C++ expression. (The expression in (e) denotes the absolute value of x + 2.5.) a. 2.05.2 b. fixffiffiffipfiffiffffyfififfi e each of the following as a c. uv-3 b b ffibffiffi2fffiffi fffifffi4ffiffiaffifficffiffi 2a