Find the domain of gof, iff(x) =x² and g(x) = /x-6. %3D a. x26 O b.(- 0, -V6] U6, 0) | C. O d.(-30, -6)U(6, 0) Oel-a, -voJulvõ, x) | O f. (-30, -6]U[6, m)

Q: Evaluate x²+3x+5

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Q: (x + 5)/(x – 3) is NOT defined for x =   a. 3   b. 0   c. -3   d. -5

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Q: 1.25a +3> 0.5a-6 and 2.5a 129-1.5a

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Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: Rationalize the denomina Vx +1 Vx +2 x +1 /x +2 (Simplify your answer.

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Q: Find n(B) if B = {x : x is a letter in the word “bookkeeper”}.

A: Find n(B) if B = {x : x is a letter in the word “bookkeeper”}.

Q: If a = [5,-2,1] and b.= [-1,-3,4], find | -a + 2b |

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Q: Find yll if x²+4y²=7

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Q: Suppose A = (-1, –5, –7) and AB= (-5, 14, 4). Then В — (5,-70,-28) help (points)

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Q: +-1--34 -4++-0

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Q: f A = (1 2)           (-4 5)   and B (-3   1)            (0  -2) calculate ATB

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Q: Simplify the expressim (x5y5)4 2.

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Q: Evaluate. j(x) =7 and j(x) = -7

A: Simply equate the both equations and solve for x.

Q: Suppose B = (8, -7) and AB = (1, -13). Then 0 A

A: If we have two points A=x1,y1 and B=(x2,y2) then AB→=x2-x1,y2-y1          Equation 1   If we have…

Q: Let B = {b₁,b2} and C = {C₁, C₂}. Find [v] and [v]. 10 -9 -8, -6 --5 C/ -4 -3, -2 6+ 4 3 2 1 H -2 -3…

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Q: Let y=x2+2kx+2. Find k when y=2 and x=3.

A: Step 1: Step 2: Step 3: Step 4:

Q: Let a = and b= (-3, –6). Find a + b, 2a + 3b, |a |, and | a - b |.- (5, – 12)

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Q: If G = {7, 8} and H = {5, 4, 2}, find G × H and H × G.

A: We will write the products as coordinates where the first element will be from G and the second…