Math 017 Materials With Exercises

g)i)4( a 2)h)8y (x)4(ab)j) ( a d) cEx.10 Evaluate, if possible.1a) 2x1, if x 21b) 2a1, if a 21c) 2y1, if y 2d) Did you get the same answer for a, b, and c? Can you explain why it is so?4x3 x14a3 a1e) If 2when x , evaluatewhen a . You should be able tox 12a 12arrive at your answer without performing any evaluation.Ex.11 Let x 3. Rewrite the expression replacing the variable with its value and evaluate, if possible.Otherwise, write “undefined”.a) 2x 52b) 4 xxc)x 32d) ( x)2e) x3 xf)4 xxg) xEx.12 Let x 4 . Rewrite the expression replacing the variable with its value and evaluate, if possible.Otherwise, write “undefined”.xa) 2b)x( 2)c) ( x)d)2 x2Ex.13 Let x 1. Rewrite the expression replacing the variable with its value and evaluate, ifpossible. Otherwise, write “undefined”.a) x xb) x xc) ( x)(x)d)e)2x x220