Math 017 Materials With Exercises

Ex.14 Substitute“undefined”.a) A1c)1A and then evaluate the following expressions, if possible. Otherwise, write22( A)d)1b) AA Ex.15 Let x 0. 3. Rewrite each expression replacing the variable with its value and evaluate, ifpossible. Otherwise, write “undefined”.a) x 2 xxb) 20.10.3 xc)x 0.3d) 1000x 100x10x3 xEx.16 The expression cannot be evaluated for which of the following values of x and y?y 5Explain why.a) x 3,y 5b) x 3,y 5c) x 3,y 5d) x 3,y 5e) x 3,y 0f) x 0,y 5Ex.17 If possible, evaluate when m 2,n 5. Otherwise, write “undefined”. Before evaluating,rewrite the expressions substituting the numerical values of m and n .a) 2m 3nb) 2m( 3n)c) 2(m 3n)d) ( 2m 3)ne) 2(m 3)n1 4Ex.18 If possible, evaluate when m , n . Otherwise, write “undefined”. Before evaluating,8 5rewrite the expressions substituting the numerical values of m and n .a) 8m 10nb) 10 mnc) 2(n m)2d) 8m n1e) n ( m)83f) n m 102A21