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I’m confused can anyone help me ?

I’m confused can anyone help me ?-example-1
User FatDaemon
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1 Answer

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1. (a) [-1,7)U(4,∞)

(b) (-∞,-1.7) U (9,∞) U (0,0.2) U (-0.2,0.2) U (4,-0.2)

2. (a) (2/243x^(12)y^(-10))^(343)

(b) (x^(3)y^(4))/(2xy)^2 = (x^2y^3)/(4)

(c) sqrt(75) - sqrt(48) + 916

3. (a) 37x^2 -10

(x+3)(x+5)

(d) ((x^(3/2)) - (3x^(3/2)) + (4x^(1/2)) + (x^(3/2))

4. (a) All real numbers

(b) All real numbers

(c) x ≠ 1, x ≠ ±3

(d) All real numbers ≠ ±2

5. -s/(s^2 + 4s)

6. (a) No solution

(b) x = -1, 2

(c) x = ±2

(d) x = ±4

(e) x = -5, 3

User Lapshin Dmitry
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