Two less than the product of a number and three evaluate when f = 4.5. evaluating an algebraic expression write and evaluate the expression shown on the left. then, check all that apply. write the expression as 2 – 3f. write the expression as 3f – 2. write the expression as 2f – 3. the value when f = 4.5 is 6.75. the value when f = 4.5 is 6. the value when f = 4.5 is 11.5.