MATHEMATICS HIGH SCHOOL

If f(x) = 3x - 1 and g(x) = x + 2, find (f- g)(x).
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If f(x) = 3x - 1 and g(x) = x - 1

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Answer 1
Answer:

This the answer

If f(x) = 3x - 1 and g(x) = x + 2, find (f- g)(x).

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2x-3

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The one to one functions G and H are defined as followG={(-8,1),(1,5),(4,-5)(8,-9)}
H(x)=3x+4
find the following 
g^-1(1)=
h^-1(x)=
(h^-1oh)(-2)=

Answers

G=\{(-8,1),(1,5),(4,-5),(8,-9)\}\n\n\Rightarrow\ \ \ G^(-1)=\{(1,-8),(5,1),(-5,4),(-9,8)\}\ \ \ \Rightarrow\ \ \ g^(-1)(1)=-8\n\nH(x)=3x+4\ \ \ and\ \ \ D_H=R\n\n 3x=H(x)-4\ \ \ \Rightarrow\ \ \ x= (H(x)-4)/(3)\n\nh^(-1)(x)= (x-4)/(3) \ \ \ and\ \ \ D_(h^(-1))=R\n\n\n(h^(-1)\circ h)(-2)=-2\n\nh^(-1)\bigg {(}h(-2)\bigg{)}=h^(-1)\bigg {(}3(-2)+4\bigg{)}=h^(-1)(-2)= (-2-4)/(3) = (-6)/(3) =-2

Give the inequality (-3 -2 -1 0 1 2 3)

Answers

The answer is -10128

Solve the inequality. q + 12 – 2(q – 22) > 0

Answers

Step 1. Expand

q + 12 - 2q + 44 > 0

Step 2. Simplify q + 12 - 2q + 44 to -q + 56

-q + 56 > 0

Step 3. Regroup terms

56 - q > 0

Step 4. Subtract 56 from both sides

-q > -56

Step 5. Multiply both sides by -1

q < 56

Find a positive number that equals 2 when added to its square.

Answers

it's 1 haha. one squared is one and add and you get 2

A line contains the points (3, –2) and (–6, –8). Write the equation of the line using point-slope form.

Answers

Y^2 - Y^1/ X^2 - X^1 os the formula that you would use to find the line that passes through those points.

justin and tyson are beginning an exercise program to train for football season. Justin weighs 150 pounds and hopes to gain 2 pounds per week. Tyson weighs 195 pounds and hopes to lose 1 pound per week. if the plan works in how many weeks will the boys weigh the same amount. what will the weight be

Answers

It will take Justin and Tyson 15 weeks to both be 180 pounds. You just do 150+2*15=180 and then you would do the other one 195-1*15=180 and they both equal the same.
it will take 15 weeks for them to be the same weight.
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