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miskamm [114]
2 years ago
10

What is the shape of f(x)

Mathematics
1 answer:
KonstantinChe [14]2 years ago
8 0

f(x) is concave down on an interval I if all of the tangents to the curve on I are above the graph of f(x)

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Solve equation by factoring.
3241004551 [841]

Hi ;-)

x^2+6x-10=30 \ \ /-30\\\\x^2+6x-40=0\\\\a=1, \ b=6, \ c=-40\\\\\Delta=b^2-4ac=6^2-4\cdot1\cdot(-40)=36+160=196\\\\\sqrt{\Delta}=\sqrt{196}=14\\\\x_1=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-6-14}{2}=\boxed{-10}\\\\x_2=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-6+14}{2}=\boxed4

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3 years ago
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Delvig [45]
The answer on the picture is d
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2 years ago
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The Hurry-Mart convenient store is re-stocking their shelves. They always stock the m&m to Hershey bars at a ratio of 10 to
castortr0y [4]

Answer:

12 Hershey bars

Step-by-step explanation:

if its 10 to 8 and you have 15 m&m then you would have to do the 10 which you would have to put 8 then 5 is half of 10 so you would just half 8 which is 4 so 8+4+12. 12 Hershey bars needed to restock the shelf.

8 0
2 years ago
Vertex form of y=-4x^2+4x-6
AlexFokin [52]

Answer:

Step-by-step explanation:

y = -4x^2 + 4x + 6

Factor out the leading coefficient:

y = -4(x^2 - x) + 6

Complete the square:

y = -4(x^2 - x + (½)^2) + 4(½)^2 + 6

= -4(x-½)^2 + 7

6 0
3 years ago
What is the expression that represents 16 and w it's for math and it's to do with algebraic
alexandr1967 [171]
The most common expressions involving 16 and w are:
16+w
16-w
16xw and
16/w
Hope this helps and answers your question
8 0
3 years ago
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