1. (a) 2 Let = (1, 0, -2) and = (-4, 2, 3). Find a real number x such that (ট' –æè) ⊥ à. (b)-1 (c) 3 (d) -2 (e) None of these

Let x, y, and z be real numbers. Prove the following a. -(-x) = x b. (-x) * (y) = -(xy) and (-x) * (-y) = xy

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Given that g(x)= a) g(9) X-2 X+3' find each of the following. b) g(2) A. g(9)= (Simplify your answer.) OB. g(9) does not exist. OC. g(9) is not a real number. van example Ask my instructor M E hp c) g(-3) d) g(-13.75) Clear all 0 US Aug 29 e) g(x+h) Check answer Next > 6:06 A

6.) * Let g(x) = 5x – 2 and h(x) = x² + 1 - Find the value of the given expression: (goh)(-4) 83 O-83 O 77 O -77

|a+2b] 2 O Let W = - b :a,be R}. Show that -4 lies in W+. 2a -1

Evaluate / dx x(x+2)³ 2x+1 Select the correct answer below: 금(In |x| + In |x + 2| + 급5 + x+2 (x+2) ) + C ( In |x| – In |x + 2| + 2 6 + C - (x+2)? ! (In |x| – In |x + 2| + =) +C x+2 (x+2)² In |x| – In |x + 2| + + C x+2 (x+2)? 글(In )지 - In Ix + 2| + -) +C x+2 (x+2)?

Find an expression of the form p + qi for the multi- a + bi plicative inverse of where a, b, c, and d are c + di’ real numbers. Does the expression you found apply to real numbers of the form a/c? Are there any restrictions on your answer for part (a)?