Sets, Relations and Functions 1. The sets R, S, and T are defined as follows. R = {x € Z]x is divisible by 2.} S= {y € Z]x is divisible by 3.} T = {z € Z]x is divisible by 6.} a) Es R CT? b) Es T C S? c) Es R US + T? Note: In all cases, argue your answers.

Q: 6. A B.

A: We have to find y

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Q: x* + 2x? – 9x – 18 = 0

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Q: solve for A again the answers in blue dosent match

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Q: 2. Vos? |.6 = 0,8Ups - UDs? 0.6 Ups - 2

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Q: 1. Solve for x:

A: When a secant through an external point M meets a circle at two points, then the product of the…

Q: Solve for h. You must show all steps A = 21w + 2wh + 2lh

A: We need to solve the given equation for h.i,e., we need to express h in terms of l,w and A.

Q: Solve for x.

A: a. The given equation is

Q: 16 B E 3

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Q: 4. Solve for b: 2 5. Solve for x: x + (-5) = -7 2. ||

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Q: Solve the formula for u. b. U-V

A: The given formula is: j=qu-v To solve the formula for u.

Q: Solve the following equation. |x-8| = 5

A: Given           | x-8 | = 5 We know that          |X| = +-x

Q: Write this formula out in the form of a sentence

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Q: refer  to  image  below.

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Q: Solve for x. X = x + 20 2x + 10

A: Given : A right triangle . One angle is 90 degree and other angles are x+20 and 2x+10 We will use…

Q: O O O O 20 Determine the value of x 18 10 201 12 Ob 9. 10 8

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Q: Solve for d,. 1 1

A: We have to solve

Q: Solve for x.

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Q: Solve the following X+2 18 X+1

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.