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-BARSIC- [3]
2 years ago
9

Which graph shows the solution set for 2 x + 3 greater-than negative 9?

Mathematics
1 answer:
Neporo4naja [7]2 years ago
3 0

Answer:

You didn't include any graphs.

Step-by-step explanation:

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The cost, in millions of dollars, for a company to manufacture x thousand speed boats is given by the function C(x) = 3x2 - 30x
nalin [4]

Answer:

  5000

Step-by-step explanation:

In vertex form, the cost function is ...

  C(x) = 3(x² -10x) +175 = 3(x² -10x +25) +175 -3(25)

  C(x) = 3(x -5)² +100

The vertex is at x=5, so the cost function will be minimized when 5000 speed boats are produced.

7 0
3 years ago
What is the slope of the linear function represented in the table​
Yanka [14]

Answer: m (the slope) = 1/7

Step-by-step explanation:

The slope formula is attached. When you plug in the numbers, you get 1/7 -

0 - 1 / -7 - 0

8 0
3 years ago
How much will two points cost on a $175,000 mortgage?
Triss [41]
                                                                             43  $3500.00


because you must calculate $175,000.00*.02 so when that is multiplied it equalos $3500.00
8 0
2 years ago
I need help With what the answer is
Marina CMI [18]

Answer:

OPTION C: y = 2x² + 1

Step-by-step explanation:

To identify the function substitute the values of 'x' and 'y' and compare LHS and RHS.

OPTION A: y = -(5x + 1)

When x = -2, y = 9

Therefore, LHS = 9

RHS = -(5(-2) + 1) = -(-10 + 1) = 9

So, LHS = RHS.

Now, we check for the second pair. i.e., (x, y) = (-1, 3)

LHS = 3

RHS = -(-5 + 1) = -(-4) = 4

LHS $ \ne $ RHS

So, this option is eliminated.

OPTION B: y = - 4x + 1

Like OPTION A, substitute x = -2 and y = 9.

LHS = 9

RHS = - 4(-2) + 1 = 9

LHS = RHS

Now for the second pair: (-1, 3)

LHS = 3

RHS = -4(-1) + 1 = 4 + 1 = 5

We see LHS $ \ne $ RHS.

So, this option is eliminated as well.

OPTION C: y = 2x² + 1

Substituting the first pair: (-2, 9)

LHS = 9

RHS = 2(4) + 1 = 9

So, LHS = RHS

Now For the second pair: (-1, 3)

We have LHS = 3

RHS = 2(1) + 1 = 3

LHS = RHS.

The third pair: (0, 1)

LHS = 1

RHS = 2(0) + 1 = 1

For the pair: (1, 3)

LHS = 3

RHS = 2(1) + 1 = 3

Again, LHS = RHS

For the pair: (2, 9)

LHS = 9

RHS = 2(4) + 1 = 9

Since, for all the pairs we have LHS and RHS equal, we con conclude that this is the correct representation of our function.

Similarly, substitute OPTION D. The option can be eliminated in the second pair itself.

So, the answer is OPTION C.

7 0
3 years ago
Will give BRAINLIEST to the correct answer!!!
iren2701 [21]
Here is a key that showed up online

8 0
3 years ago
Read 2 more answers
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