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Gelneren [198K]
4 years ago
13

Identify the domain and range of the function graphed below.

Mathematics
1 answer:
Anna71 [15]4 years ago
6 0

Answer:

Domain: (-4, ∞)

Range: (-∞,∞)

Step-by-step explanation:

Domain is all of your possible x values and range is all of the possible y values. I may have wrote the brackets wrong but the values are wright.

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M=-8r^2+11r-6<br> t=-7r^2-9r+14<br> m+t=
EleoNora [17]

Answer:

x = -2/3 or 4/5

Step-by-step explanation:

-15r^2 + 2r + 8

4 0
3 years ago
517 37/50 + 312 3/100
german

Answer:

Exact form: 32977/100

Decimal form: 829.77

Mixed number form: 829 77/100

Step-by-step explanation:

4 0
3 years ago
Given the function f(x) = 3|x – 2| + 6, for what values of x is f(x) = 18?
Gwar [14]

Answer:

x = - 2, x = 6

Step-by-step explanation:

Given f(x) = 18 we require to solve

3 | x - 2 | + 6 = 18 ( subtract 6 from both sides )

3 | x - 2 | = 12 ( divide both sides by 3 )

| x - 2 | = 4

The absolute value function always returns a positive value, however, the expression inside can be positive or negative, thus

x - 2 = 4 ( add 2 to both sides )

x = 6

OR

- (x - 2) = 4

- x + 2 = 4 ( subtract 2 from both sides )

- x = 2 ( multiply both sides by - 1 )

x = - 2

As a check substitute these values into the left side of the equation and if equal to the right side then they are the solutions

x = 6 → 3|6 - 2| + 6 = 3|4| + 6 = 3(4) + 6 = 12 + 6 = 18 ← True

x = - 2 → 3|- 2 - 2| + 6 = 3|-4| + 6 = 3(4) + 6 = 12 + 6 = 18 ← True

Hence solutions are x = - 2, x = 6

7 0
3 years ago
Read 2 more answers
What is the slope of a line that is perpendicular to the line y = 1/6 x + 4? The slope of the line is .
Delicious77 [7]

Answer:

-6

Step-by-step explanation:

The slope of a perpendicular line has the slope of the opposite and reciprocal of the current line. We would get -1/6 and then -6.

7 0
3 years ago
Is(1, 2)asolutiontotheinequality 2x + 9y &lt; 20 ? yes no Submit
Snezhnost [94]
Plug in x=1 and y=2 into the inequality:-
2x + 9y = 2 + 18 = 20

20 is not < 20 
so  it is not a solution
8 0
4 years ago
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