late work

M15 Homework, make-up for Michael P. Potter Due: by 11:59PM, Friday, May 29, 2015

Homework, make-up for Michael P. Potter #2 of week #1 Instructor: X. Li, MO 438

Maximum time allowed: 1 hour. Please choose the answer most appropriate to the question and select the letter corresponding to

your answer on Blackboard. The grade for each question will either be full credit or zero. No partial credit will be given. Each problem is worth 10 points.

If you ever choose “(e)” as your answer, you do need to email me your actual answer within the same time period this Homework, make-up for Michael P. Potter is being completed.

(1) Perform the indicated operations and simplify the expression. x 3+2x2−3x −2x2−x+3 .

(a) −x(x+3) 2x+3

;

(b) x(x−3) 2x−3 ;

(c) x3 − 1 ; (d) All of the above ; (e) None of the above. I’ll email you my answer.

(2) Rationalize the numerator of expression √ 1+h−1 h

. (a) −1√

1+h+1 ;

(b) √ 2 − 1 ;

(c) 1√ 1+h+1

;

(d) All of the above ; (e) None of the above. I’ll email you my answer.

(3) Find the values of x that satisfy the inequality 12 ≤ −3x. (a) (−∞, 4] ; (b) (−∞, −4] ; (c) [−4, +∞) ; (d) All of the above ; (e) None of the above. I’ll email you my answer.

(4) Find the values of x that satisfy the inequality 2x−3 x+1

≥ 4. (a) (−1, +∞) ; (b) (−∞, −3.5] ; (c) [−3.5, −1) ; (d) All of the above ; (e) None of the above. I’ll email you my answer.

(5) Evaluate the expression |π − 4| − 1. (a) 3 − π ; (b) π − 5 ; (c) 5 − π ; (d) All of the above ; (e) None of the above. I’ll email you my answer.

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