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Lostsunrise [7]
2 years ago
14

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

Mathematics
2 answers:
solong [7]2 years ago
8 0

Step-by-step explanation:

f(x) =2x-1 and g(x)=x²-3x-2

(f +g) (x) =?

(f +g) (x) = 2x -1 +x²-3x-2

= x²- x - 3

aniked [119]2 years ago
8 0

Answer:

f(x) = 2x - 1 \: and \: g(x) = x {}^{2}  - 3x - 2. \\ (f + g)(x) =   \\ (f + g)(x) = 2x - 1 + x {}^{2}  - 3x - 2 \\  = x {}^{2}  - x - 3.

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Which fraction is equivalent to : 3/8 +1/8
Crank
1/2 because you can simplify 4/8 and do 4 divided by 4 and 8 divided by 4 which is 1/2
7 0
3 years ago
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Which of the given values are in the interval (-3,1]?
Vladimir [108]

The values coming in the interval (-3,1] are -2, -1, 0, and 1.

<h3>What is defined as the term interval notations?</h3>
  • An interval is represented on a number line using interval notation. In all other sayings, it is a method of writing real number line subsets.
  • An interval is made up of numbers that fall between two specific data set.
  • Intervals can be categorized according to the numbers in the set.
  1. Interval Open: The endpoints of a inequality are not included in this type of interval.
  2. Interval Closure; The endpoints of a inequality are included in this type of interval.
  3. Interval with Half-Open Doors: This interval contains only one of inequality's endpoints.

The given interval notation is;

(-3,1], it is the case of half open half close.

-3 comes with the open interval, it means its value will not be included in the interval.

1 is with the closed interval, it means its value will be included in the interval.

Thus, the values lying between the interval (-3, 1] are  -2, -1, 0, and 1.

To know more about the interval notations, here

brainly.com/question/16768997

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6 0
1 year ago
A ball is thrown upward from ground level. Its height h, in feet, above the ground after t seconds is h-48t -16t^2.
Marat540 [252]

Answer:

36 feet.

Step-by-step explanation:

We have been given that a ball is thrown upward from ground level. Its height h, in feet, above the ground after t seconds is h(t)=-48t -16t^2. We are asked to find the maximum height of the ball.

We can see that our given equation is a downward opening parabola, so its maximum height will be the vertex of the parabola.

To find the maximum height of the ball, we need to find y-coordinate of vertex of parabola.

Let us find x-coordinate of parabola using formula x=-\frac{b}{2a}.

x=-\frac{-48}{2(-16)}

x=-\frac{48}{32}

x=-\frac{3}{2}

So, the x-coordinate of the parabola is -\frac{3}{2}. Now, we will substitute x=-\frac{3}{2} in our given equation to find y-coordinate of parabola.

h(t)=-48t -16t^2

h(-\frac{3}{2})=-48(-\frac{3}{2})-16(-\frac{3}{2})^2

h(-\frac{3}{2})=-24(-3)-16(\frac{9}{4})

h(-\frac{3}{2})=72-4*9

h(-\frac{3}{2})=72-36

h(-\frac{3}{2})=36

Therefore, the maximum height of the ball is 36 feet.

3 0
3 years ago
Brandon has a garden in his backyard. He picked 66 tomatoes from 6 tomato plants. What is the ratio of tomato plants to tomatoes
Makovka662 [10]
The answer is 1:11. After it being simplified from 6:66. Hope this helps.
4 0
3 years ago
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A coral reef grows 0.15 m every week. How much does it grow in 11 weeks?
Misha Larkins [42]
Coral reef = 0.15x
0.15(11) = 1.65
1 meter = 100 cm
1.65 * 100 = 165

Solution: 165 cm
3 0
2 years ago
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