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ankoles [38]
3 years ago
11

Yeahhh if you could help that would be great

Mathematics
2 answers:
mars1129 [50]3 years ago
6 0

Answer:

60?

Step-by-step explanation:

stellarik [79]3 years ago
3 0

Answer: what wrong

Step-by-step explanation:

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HELP PLEASE!!!!!!!!!!!!
Bogdan [553]

Answer:

See the explanation.

Step-by-step explanation:

We are given the function f(x) = x² + 2x - 5

Zeros :

If f(x) = 0 i.e. x² + 2x - 5 = 0

The left hand side can not be factorized. Hence, use Sridhar Acharya formula and  

x= \frac{-2+\sqrt{2^{2}-4\times(-5)\times1 } }{2} and  

x= \frac{-2-\sqrt{2^{2}-4\times(-5)\times1 } }{2}

⇒ x = -3.45 and 1.45

Y- intercept :

Putting x = 0, we get, f(x) = - 5, Hence, y-intercept is -5.

Maximum point :

Not defined

Minimum point:  

The equation can be expressed as (x + 1)² = (y + 5)

This is an equation of parabola having the vertex at (-1,-5) and axis parallel to + y-axis

Therefore, the minimum point is (-1,-5)

Domain :  

x can be any real number

Range:  

f(x) ≥ - 6

Interval of increase:

Since this is a parabola having the vertex at (-1,-5) and axis parallel to + y-axis.

Therefore, interval of increase is +∞ > x > -1

Interval of decrease:

-∞ < x < -1

End behavior :  

f(x) = x^{2} +2x-5 =x^{2}  (1+\frac{2}{x} -\frac{5}{x^{2} } )

So, as x tends to +∞ , then f(x) tends to +∞

And as x tends to -∞, then f(x) tends to +∞. (Answer)

7 0
3 years ago
Please solve and explain the problem below
Digiron [165]

Answer:

The car would have to sell for $20,000

Step-by-step explanation:

7 0
3 years ago
Please solve for x will mark brainliest answer
inna [77]

Answer:

x ≥ - 8

Step-by-step explanation:

Given

\frac{x}{2} ≥ - 4

Multiply both sides by 2 to eliminate the fraction

x ≥ - 8

7 0
3 years ago
Read 2 more answers
Mrs. Dimitri purchased a case of yogurt cups. Out of every 10 yogurt cups, 6 are strawberry. There are 30 yogurt cups in the cas
riadik2000 [5.3K]

Answer: 18 strawberry yougurt cups

8 0
2 years ago
Read 2 more answers
Anne is taping 7 boxes for storage. She uses feet of tape to close each box. How much tape will Anne need to tape the boxes? Exp
aleksandrvk [35]
D is the correct answer




hope this helps
7 0
3 years ago
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